About this route:

A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Guam International Airport (GUM), Hagåtña, Guam would travel a Great Circle distance of 7,388 miles (or 11,890 kilometers).

A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between St. Louis Downtown Airport and Guam International Airport, the route shown on this map most likely appears curved because of this reason.

Try it at home! Get a globe and tightly lay a string between St. Louis Downtown Airport and Guam International Airport. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

IATA / ICAO Codes: CPS / KCPS
Airport Name: St. Louis Downtown Airport
Location: Cahokia, Illinois (near St. Louis), United States
GPS Coordinates: 38°34'14"N by 90°9'21"W
Area Served: Greater St. Louis
Operator/Owner: Bi-State Development Agency
Airport Type: Public
Elevation: 413 feet (126 meters)
# of Runways: 3
View all routes: Routes from CPS
More Information: CPS Maps & Info

Arrival Airport Information:

IATA / ICAO Codes: GUM / PGUM
Airport Names:
  1. Guam International Airport
  2. Antonio B. Won Pat International Airport
Location: Hagåtña, Guam
GPS Coordinates: 13°29'2"N by 144°47'49"E
Area Served: Guam
Operator/Owner: A.B. Won Pat International Airport Authority, Guam
Airport Type: Public
Elevation: 297 feet (91 meters)
# of Runways: 2
View all routes: Routes from GUM
More Information: GUM Maps & Info

Facts about St. Louis Downtown Airport (CPS):

  • Because of St. Louis Downtown Airport's relatively low elevation of 413 feet, planes can take off or land at St. Louis Downtown Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
  • St. Louis Downtown Airport (CPS) has 3 runways.
  • Historic Hangar #2 houses the Greater Saint Louis Air & Space Museum and the airport is still home to the nation's oldest flight school, Parks College of Engineering and Aviation's Center for Aerospace Sciences, which holds CAA Flight School Certificate #1.
  • The furthest airport from St. Louis Downtown Airport (CPS) is Margaret River Airport (MGV), which is located 10,998 miles (17,700 kilometers) away in Margaret River, Western Australia, Australia.
  • The closest airport to St. Louis Downtown Airport (CPS) is Lambert–St. Louis International Airport (STL), which is located only 16 miles (27 kilometers) NW of CPS.

Facts about Guam International Airport (GUM):

  • Arrival passenger inspection is conducted by the U.S.
  • Japan Airlines opened a flight crew training center at GUM in October 2013.
  • The TSA conducts security inspection for all departing passengers and all transit passengers not arriving from the States and the CNMI, which are already screened by TSA at their origins.
  • After the war, the USAAF used the airfield for fighter defense of the Marianas, until early 1947 and as a transport hub.
  • Because of Guam International Airport's relatively low elevation of 297 feet, planes can take off or land at Guam International Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
  • Guam International Airport handled 2,807,205 passengers last year.
  • A new passenger terminal building was opened in 1982, and the current, much larger terminal building was opened in phases between 1996 and 1998.
  • Guam International Airport (GUM) has 2 runways.
  • The closest airport to Guam International Airport (GUM) is Andersen Air Force Base (UAM), which is located only 11 miles (17 kilometers) NE of GUM.
  • In addition to being known as "Guam International Airport", another name for GUM is "Antonio B. Won Pat International Airport".
  • Travel to Guam was restricted to military personnel with a security clearance until 1962.
  • The furthest airport from Guam International Airport (GUM) is Salvador-Deputado Luís Eduardo Magalhães International Airport (2 de Julho) (SSA), which is nearly antipodal to Guam International Airport (meaning Guam International Airport is almost on the exact opposite side of the Earth from Salvador-Deputado Luís Eduardo Magalhães International Airport (2 de Julho)), and is located 12,223 miles (19,671 kilometers) away in Salvador, Bahia, Brazil.

Map of Nearest Airports to St. Louis Downtown Airport:

List of Nearest Airports to St. Louis Downtown Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
116.47 miles (26.50 km) NWLambert–St. Louis International Airport (STL)St. Louis, Missouri, United StatesView Lambert–St. Louis International Airport on a map Set STL as origin Airport Set STL as destination Airport Get more information about Lambert–St. Louis International Airport
217.42 miles (28.04 km) EMidAmerica St. Louis Airport (BLV)Belleville, Illinois, United StatesView MidAmerica St. Louis Airport on a map Set BLV as origin Airport Set BLV as destination Airport Get more information about MidAmerica St. Louis Airport
322.85 miles (36.78 km) NNESt. Louis Regional Airport (ALN)Alton, Illinois, United StatesView St. Louis Regional Airport on a map Set ALN as origin Airport Set ALN as destination Airport Get more information about St. Louis Regional Airport
427.50 miles (44.26 km) WNWSpirit of St. Louis Airport (SUS)Chesterfield, Missouri, United StatesView Spirit of St. Louis Airport on a map Set SUS as origin Airport Set SUS as destination Airport Get more information about Spirit of St. Louis Airport
545.73 miles (73.59 km) ENEGreenville Airport (GRE)Greenville, Illinois, United StatesView Greenville Airport on a map Set GRE as origin Airport Set GRE as destination Airport Get more information about Greenville Airport
664.55 miles (103.88 km) ESalem–Leckrone Airport (SLO)Salem, Illinois, United StatesView Salem–Leckrone Airport on a map Set SLO as origin Airport Set SLO as destination Airport Get more information about Salem–Leckrone Airport
772.26 miles (116.30 km) ESEMt. Vernon Airport (MVN)Mount Vernon, Illinois, United StatesView Mt. Vernon Airport on a map Set MVN as origin Airport Set MVN as destination Airport Get more information about Mt. Vernon Airport
873.57 miles (118.39 km) SESouthern Illinois Airport (MDH)Carbondale/Murphysboro, Illinois, United StatesView Southern Illinois Airport on a map Set MDH as origin Airport Set MDH as destination Airport Get more information about Southern Illinois Airport
983.94 miles (135.09 km) SEWilliamson County Regional Airport (MWA)Marion, Illinois, United StatesView Williamson County Regional Airport on a map Set MWA as origin Airport Set MWA as destination Airport Get more information about Williamson County Regional Airport
1091.63 miles (147.46 km) NNEAbraham Lincoln Capital Airport (SPI)Springfield, Illinois, United StatesView Abraham Lincoln Capital Airport on a map Set SPI as origin Airport Set SPI as destination Airport Get more information about Abraham Lincoln Capital Airport
1192.63 miles (149.07 km) WSWRolla National Airport (VIH)Rolla, Missouri, United StatesView Rolla National Airport on a map Set VIH as origin Airport Set VIH as destination Airport Get more information about Rolla National Airport
1298.29 miles (158.19 km) SSECape Girardeau Regional Airport (CGI)Cape Girardeau, Missouri, United StatesView Cape Girardeau Regional Airport on a map Set CGI as origin Airport Set CGI as destination Airport Get more information about Cape Girardeau Regional Airport
13108.03 miles (173.86 km) WJefferson City Memorial Airport (JEF)Jefferson City, Missouri, United StatesView Jefferson City Memorial Airport on a map Set JEF as origin Airport Set JEF as destination Airport Get more information about Jefferson City Memorial Airport
14109.88 miles (176.83 km) NNWQuincy Regional Airport (UIN)Quincy, Illinois, United StatesView Quincy Regional Airport on a map Set UIN as origin Airport Set UIN as destination Airport Get more information about Quincy Regional Airport
15111.34 miles (179.18 km) NEDecatur Airport (DEC)Decatur, Illinois, United StatesView Decatur Airport on a map Set DEC as origin Airport Set DEC as destination Airport Get more information about Decatur Airport

Map of Furthest Airports from St. Louis Downtown Airport:

List of Furthest Airports from St. Louis Downtown Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
110,998.38 miles (17,700.14 km) WMargaret River Airport (MGV)Margaret River, Western Australia, AustraliaView Margaret River Airport on a map Set MGV as origin Airport Set MGV as destination Airport Get more information about Margaret River Airport
210,976.37 miles (17,664.71 km) WBusselton Regional Airport (BQB)Busselton, Western Australia, AustraliaView Busselton Regional Airport on a map Set BQB as origin Airport Set BQB as destination Airport Get more information about Busselton Regional Airport
310,953.82 miles (17,628.43 km) WBunbury Airport (BUY)Bunbury, Western Australia, AustraliaView Bunbury Airport on a map Set BUY as origin Airport Set BUY as destination Airport Get more information about Bunbury Airport
410,950.15 miles (17,622.51 km) WManjimup Airport (MJP)Manjimup, Western Australia, AustraliaView Manjimup Airport on a map Set MJP as origin Airport Set MJP as destination Airport Get more information about Manjimup Airport
510,924.13 miles (17,580.63 km) WRottnest Airport (RTS)Rottnest Island, Western Australia, AustraliaView Rottnest Airport on a map Set RTS as origin Airport Set RTS as destination Airport Get more information about Rottnest Airport
610,908.52 miles (17,555.52 km) WJandakot Airport (JAD)Jandakot, Western Australia, AustraliaView Jandakot Airport on a map Set JAD as origin Airport Set JAD as destination Airport Get more information about Jandakot Airport
710,899.45 miles (17,540.92 km) WPerth Airport (PER)Perth, Western Australia, AustraliaView Perth Airport on a map Set PER as origin Airport Set PER as destination Airport Get more information about Perth Airport
810,897.05 miles (17,537.06 km) WSWJurien Bay Airport (JUR)Jurien Bay, Western Australia, AustraliaView Jurien Bay Airport on a map Set JUR as origin Airport Set JUR as destination Airport Get more information about Jurien Bay Airport
910,874.80 miles (17,501.25 km) WAlbany Airport (ALH)Albany, Western Australia, AustraliaView Albany Airport on a map Set ALH as origin Airport Set ALH as destination Airport Get more information about Albany Airport
1010,862.63 miles (17,481.67 km) WSWGeraldton Airport (GET)Geraldton, Western Australia, AustraliaView Geraldton Airport on a map Set GET as origin Airport Set GET as destination Airport Get more information about Geraldton Airport
1110,855.26 miles (17,469.80 km) WKatanning Airport (KNI)Katanning, Western Australia, AustraliaView Katanning Airport on a map Set KNI as origin Airport Set KNI as destination Airport Get more information about Katanning Airport
1210,843.70 miles (17,451.20 km) WSWKalbarri Airport (KAX)Kalbarri, Western Australia, AustraliaView Kalbarri Airport on a map Set KAX as origin Airport Set KAX as destination Airport Get more information about Kalbarri Airport
1310,809.16 miles (17,395.61 km) WSWMullewa Airport (MXU)Mullewa, Western Australia, AustraliaView Mullewa Airport on a map Set MXU as origin Airport Set MXU as destination Airport Get more information about Mullewa Airport
1410,809.10 miles (17,395.51 km) WSWMorawa Airport (MWB)Morawa, Western Australia, AustraliaView Morawa Airport on a map Set MWB as origin Airport Set MWB as destination Airport Get more information about Morawa Airport
1510,804.00 miles (17,387.31 km) WSWShark Bay Airport (MJK)Monkey Mia, Western Australia, AustraliaView Shark Bay Airport on a map Set MJK as origin Airport Set MJK as destination Airport Get more information about Shark Bay Airport

Map of Nearest Airports to Guam International Airport:

List of Nearest Airports to Guam International Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
110.87 miles (17.49 km) NEAndersen Air Force Base (UAM)Agana, GuamView Andersen Air Force Base on a map Set UAM as destination Airport Set UAM as destination Airport Get more information about Andersen Air Force Base
256.29 miles (90.59 km) NNERota International Airport (ROP)Rota Island, Northern Mariana IslandsView Rota International Airport on a map Set ROP as destination Airport Set ROP as destination Airport Get more information about Rota International Airport
3118.29 miles (190.37 km) NNETinian International Airport (TIQ)Tinian Island, Northern Mariana IslandsView Tinian International Airport on a map Set TIQ as destination Airport Set TIQ as destination Airport Get more information about Tinian International Airport
4129.06 miles (207.70 km) NNESaipan International Airport (SPN)Saipan Island, Northern Mariana IslandsView Saipan International Airport on a map Set SPN as destination Airport Set SPN as destination Airport Get more information about Saipan International Airport
5414.68 miles (667.36 km) SWFalalop Airfield (ULI)Falalop Island, Yap, Federated States of MicronesiaView Falalop Airfield on a map Set ULI as destination Airport Set ULI as destination Airport Get more information about Falalop Airfield
6531.42 miles (855.24 km) WSWYap International Airport (YAP)Yap, Federated States of MicronesiaView Yap International Airport on a map Set YAP as destination Airport Set YAP as destination Airport Get more information about Yap International Airport
7634.07 miles (1,020.43 km) SEChuuk International Airport (TKK)Weno, Federated States of MicronesiaView Chuuk International Airport on a map Set TKK as destination Airport Set TKK as destination Airport Get more information about Chuuk International Airport
8812.92 miles (1,308.26 km) NNWCentral Field (Iwo Jima)Motoyama No. 2Airfield No. 2 (IWO)Iwo Jima, Bonin Islands, JapanView Central Field (Iwo Jima)Motoyama No. 2Airfield No. 2 on a map Set IWO as destination Airport Set IWO as destination Airport Get more information about Central Field (Iwo Jima)Motoyama No. 2Airfield No. 2
9814.54 miles (1,310.88 km) WSWRoman Tmetuchl International Airport (ROR)Koror, PalauView Roman Tmetuchl International Airport on a map Set ROR as destination Airport Set ROR as destination Airport Get more information about Roman Tmetuchl International Airport
10957.19 miles (1,540.44 km) NEMinamitorishima Air Field (MUS)Minami-Tori-shima, JapanView Minamitorishima Air Field on a map Set MUS as destination Airport Set MUS as destination Airport Get more information about Minamitorishima Air Field
111,015.93 miles (1,634.98 km) ESEPohnpei International Airport (PNI)Kolonia, Federated States of MicronesiaView Pohnpei International Airport on a map Set PNI as destination Airport Set PNI as destination Airport Get more information about Pohnpei International Airport
121,089.10 miles (1,752.73 km) SMomote Airport (MAS)Los Negros Island, Admiralty Islands, Papua New GuineaView Momote Airport on a map Set MAS as destination Airport Set MAS as destination Airport Get more information about Momote Airport
131,103.65 miles (1,776.15 km) SSEEmirau Airport (EMI)Emirau, Papua New GuineaView Emirau Airport on a map Set EMI as destination Airport Set EMI as destination Airport Get more information about Emirau Airport
141,146.15 miles (1,844.54 km) SSWBatom Airport (BXM)Batom, IndonesiaView Batom Airport on a map Set BXM as destination Airport Set BXM as destination Airport Get more information about Batom Airport
151,147.84 miles (1,847.27 km) SSWSentani Airport (SNA) (DJJ)Jayapura, IndonesiaView Sentani Airport (SNA) on a map Set DJJ as destination Airport Set DJJ as destination Airport Get more information about Sentani Airport (SNA)

Map of Furthest Airports from Guam International Airport:

List of Furthest Airports from Guam International Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
112,223.21 miles (19,671.30 km) ESalvador-Deputado Luís Eduardo Magalhães International Airport (2 de Julho) (SSA)Salvador, Bahia, BrazilView Salvador-Deputado Luís Eduardo Magalhães International Airport (2 de Julho) on a map Set SSA as destination Airport Set SSA as destination Airport Get more information about Salvador-Deputado Luís Eduardo Magalhães International Airport (2 de Julho)
212,222.90 miles (19,670.80 km) SEAracaju–Santa Maria Airport (AJU)Aracaju, Sergipe, BrazilView Aracaju–Santa Maria Airport on a map Set AJU as destination Airport Set AJU as destination Airport Get more information about Aracaju–Santa Maria Airport
312,164.19 miles (19,576.32 km) ESEIlhéus/Bahia-Jorge Amado Airport (IOS)Ilhéus, Bahia, BrazilView Ilhéus/Bahia-Jorge Amado Airport on a map Set IOS as destination Airport Set IOS as destination Airport Get more information about Ilhéus/Bahia-Jorge Amado Airport
412,159.92 miles (19,569.45 km) SMaceió/Zumbi dos Palmares International Airport (MCZ)Maceió, BrazilView Maceió/Zumbi dos Palmares International Airport on a map Set MCZ as destination Airport Set MCZ as destination Airport Get more information about Maceió/Zumbi dos Palmares International Airport
512,107.33 miles (19,484.81 km) SEPorto Seguro Airport (BPS)Porto Seguro, BrazilView Porto Seguro Airport on a map Set BPS as destination Airport Set BPS as destination Airport Get more information about Porto Seguro Airport
612,066.14 miles (19,418.53 km) SRecife/Guararapes–Gilberto Freyre International Airport (REC)Recife, BrazilView Recife/Guararapes–Gilberto Freyre International Airport on a map Set REC as destination Airport Set REC as destination Airport Get more information about Recife/Guararapes–Gilberto Freyre International Airport
712,045.84 miles (19,385.85 km) ESEPedro Otacílio Figueiredo Airport (VDC)Vitória da Conquista, BrazilView Pedro Otacílio Figueiredo Airport on a map Set VDC as destination Airport Set VDC as destination Airport Get more information about Pedro Otacílio Figueiredo Airport
812,022.31 miles (19,347.99 km) ECoronel Horácio de Mattos Airport (LEC)Lençõis, Bahia, BrazilView Coronel Horácio de Mattos Airport on a map Set LEC as destination Airport Set LEC as destination Airport Get more information about Coronel Horácio de Mattos Airport
912,004.84 miles (19,319.86 km) SPresidente João Suassuna Airport (CPV)Campina Grande, Paraíba, BrazilView Presidente João Suassuna Airport on a map Set CPV as destination Airport Set CPV as destination Airport Get more information about Presidente João Suassuna Airport
1011,998.54 miles (19,309.73 km) SPresidente Castro Pinto International Airport (JPA)João Pessoa, Paraíba, BrazilView Presidente Castro Pinto International Airport on a map Set JPA as destination Airport Set JPA as destination Airport Get more information about Presidente Castro Pinto International Airport
1111,973.90 miles (19,270.07 km) SEPetrolina–Senador Nilo Coelho Airport (PNZ)Petrolina, Pernambuco, BrazilView Petrolina–Senador Nilo Coelho Airport on a map Set PNZ as destination Airport Set PNZ as destination Airport Get more information about Petrolina–Senador Nilo Coelho Airport
1211,927.98 miles (19,196.17 km) EGuanambi Airport (GNM)Guanambi, Bahia, BrazilView Guanambi Airport on a map Set GNM as destination Airport Set GNM as destination Airport Get more information about Guanambi Airport
1311,913.37 miles (19,172.66 km) SAugusto Severo International Airport (NAT)Natal, BrazilView Augusto Severo International Airport on a map Set NAT as destination Airport Set NAT as destination Airport Get more information about Augusto Severo International Airport
1411,885.09 miles (19,127.15 km) EBom Jesus da Lapa Airport (LAZ)Bom Jesus da Lapa, Bahia, BrazilView Bom Jesus da Lapa Airport on a map Set LAZ as destination Airport Set LAZ as destination Airport Get more information about Bom Jesus da Lapa Airport
1511,876.33 miles (19,113.05 km) ESEBarra Airport (BQQ)Barra, Bahia, BrazilView Barra Airport on a map Set BQQ as destination Airport Set BQQ as destination Airport Get more information about Barra Airport