About this route:

A direct, nonstop flight between Mehrabad Airport (THR), Tehran, Iran and St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States would travel a Great Circle distance of 6,747 miles (or 10,857 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 Mehrabad Airport and St. Louis Downtown 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 Mehrabad Airport and St. Louis Downtown Airport. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

IATA / ICAO Codes: THR / OIII
Airport Names:
  1. Mehrabad Airport
  2. فرودگاه مهرآباد
Location: Tehran, Iran
GPS Coordinates: 35°41'21"N by 51°18'48"E
Area Served: Tehran, Karaj
Airport Type: Joint (Public/Military)
Elevation: 3962 feet (1,208 meters)
# of Runways: 3
View all routes: Routes from THR
More Information: THR Maps & Info

Arrival 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

Facts about Mehrabad Airport (THR):

  • An aircraft engineering and maintenance company Fajr Ashian, has a maintenance hangar adjacent to main airport premises.
  • The closest airport to Mehrabad Airport (THR) is Tehran Imam Khomeini International Airport (IKA), which is located 21 miles (34 kilometers) SSW of THR.
  • The airport was first time used as an airfield for aviation club planes in 1938, then after World War II along with becoming internationally recognized by joining Iran civil aviation organization to the ICAO in 1949, the airport also became an air force base.
  • In addition to being known as "Mehrabad Airport", another name for THR is "فرودگاه مهرآباد".
  • Mehrabad Airport handled 13,163,368 passengers last year.
  • Mehrabad Airport (THR) has 3 runways.
  • The furthest airport from Mehrabad Airport (THR) is Totegegie Airport (GMR), which is located 11,490 miles (18,491 kilometers) away in Mangareva, Gambier Islands, French Polynesia.

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.
  • The airport opened in 1929 as Curtiss-Steinberg Airport.
  • 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.
  • St. Louis Downtown Airport (CPS) has 3 runways.

Map of Nearest Airports to Mehrabad Airport:

List of Nearest Airports to Mehrabad Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
120.93 miles (33.69 km) SSWTehran Imam Khomeini International Airport (IKA)Tehran, IranView Tehran Imam Khomeini International Airport on a map Set IKA as origin Airport Set IKA as destination Airport Get more information about Tehran Imam Khomeini International Airport
288.29 miles (142.09 km) NEBishe Kola Air Base (BSM)Amol, IranView Bishe Kola Air Base on a map Set BSM as origin Airport Set BSM as destination Airport Get more information about Bishe Kola Air Base
3123.59 miles (198.90 km) ENESari Dasht-e Naz International Airport (SRY)Sari, IranView Sari Dasht-e Naz International Airport on a map Set SRY as origin Airport Set SRY as destination Airport Get more information about Sari Dasht-e Naz International Airport
4165.72 miles (266.69 km) WSWHamadan Airport (HDM)Hamadan, IranView Hamadan Airport on a map Set HDM as origin Airport Set HDM as destination Airport Get more information about Hamadan Airport
5205.41 miles (330.58 km) SIsfahan International Airport (IFN)Isfahan, IranView Isfahan International Airport on a map Set IFN as origin Airport Set IFN as destination Airport Get more information about Isfahan International Airport
6232.33 miles (373.89 km) SWKhorramabad Airport (KHD)Khorramabad, IranView Khorramabad Airport on a map Set KHD as origin Airport Set KHD as destination Airport Get more information about Khorramabad Airport
7235.91 miles (379.66 km) SShahrekord International Airport (CQD)Shahrekord, IranView Shahrekord International Airport on a map Set CQD as origin Airport Set CQD as destination Airport Get more information about Shahrekord International Airport
8242.04 miles (389.52 km) NWArdabil Airport (ADU)Ardabil, IranView Ardabil Airport on a map Set ADU as origin Airport Set ADU as destination Airport Get more information about Ardabil Airport
9252.77 miles (406.79 km) WSWShahid Ashrafi Esfahani Airport (KSH)Kermanshah, IranView Shahid Ashrafi Esfahani Airport on a map Set KSH as origin Airport Set KSH as destination Airport Get more information about Shahid Ashrafi Esfahani Airport
10252.96 miles (407.11 km) NNWLankaran International Airport (LLK)Lankaran, AzerbaijanView Lankaran International Airport on a map Set LLK as origin Airport Set LLK as destination Airport Get more information about Lankaran International Airport
11280.02 miles (450.64 km) SWDezful Airport (DEF)Dezful, IranView Dezful Airport on a map Set DEF as origin Airport Set DEF as destination Airport Get more information about Dezful Airport
12311.89 miles (501.93 km) SEShahid Sadooghi Airport (AZD)Yazd, IranView Shahid Sadooghi Airport on a map Set AZD as origin Airport Set AZD as destination Airport Get more information about Shahid Sadooghi Airport
13316.01 miles (508.56 km) NNETurkmenbashi International Airport (KRW)Türkmenbaşy, Turkmenistan, TurkmenistanView Turkmenbashi International Airport on a map Set KRW as origin Airport Set KRW as destination Airport Get more information about Turkmenbashi International Airport
14327.41 miles (526.92 km) WNWTabriz International Airport (TBZ)Tabriz, IranView Tabriz International Airport on a map Set TBZ as origin Airport Set TBZ as destination Airport Get more information about Tabriz International Airport
15334.64 miles (538.55 km) SSWAhwaz International Airport (AWZ)Ahwaz, IranView Ahwaz International Airport on a map Set AWZ as origin Airport Set AWZ as destination Airport Get more information about Ahwaz International Airport

Map of Furthest Airports from Mehrabad Airport:

List of Furthest Airports from Mehrabad Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
111,489.90 miles (18,491.16 km) SSETotegegie Airport (GMR)Mangareva, Gambier Islands, French PolynesiaView Totegegie Airport on a map Set GMR as origin Airport Set GMR as destination Airport Get more information about Totegegie Airport
211,245.16 miles (18,097.29 km) SSETureira Airport (ZTA)Tureia, Tuamotus, French PolynesiaView Tureira Airport on a map Set ZTA as origin Airport Set ZTA as destination Airport Get more information about Tureira Airport
311,160.65 miles (17,961.27 km) WSWMataveri International Airport (IPC)Easter Island, ChileView Mataveri International Airport on a map Set IPC as origin Airport Set IPC as destination Airport Get more information about Mataveri International Airport
411,147.68 miles (17,940.41 km) SSENukutavake Airport (NUK)Nukutavake, Tuamotus, French PolynesiaView Nukutavake Airport on a map Set NUK as origin Airport Set NUK as destination Airport Get more information about Nukutavake Airport
511,131.57 miles (17,914.48 km) SSEPukarua Airport (PUK)Pukarua, Tuamotus, French PolynesiaView Pukarua Airport on a map Set PUK as origin Airport Set PUK as destination Airport Get more information about Pukarua Airport
611,007.27 miles (17,714.45 km) SEHao Airport (HOI)Hao, Tuamotu Island, French PolynesiaView Hao Airport on a map Set HOI as origin Airport Set HOI as destination Airport Get more information about Hao Airport
710,871.27 miles (17,495.58 km) SSEFangatau Airport (FGU)Fangatau, French PolynesiaView Fangatau Airport on a map Set FGU as origin Airport Set FGU as destination Airport Get more information about Fangatau Airport
810,835.59 miles (17,438.14 km) SERaroia Airport (RRR)Raroia, French PolynesiaView Raroia Airport on a map Set RRR as origin Airport Set RRR as destination Airport Get more information about Raroia Airport
910,827.77 miles (17,425.56 km) SEMakemo Airport (MKP)Makemo, French PolynesiaView Makemo Airport on a map Set MKP as origin Airport Set MKP as destination Airport Get more information about Makemo Airport
1010,802.77 miles (17,385.32 km) SEAnaa Airport (AAA)Anaa, Tuamotus, French PolynesiaView Anaa Airport on a map Set AAA as origin Airport Set AAA as destination Airport Get more information about Anaa Airport
1110,795.71 miles (17,373.97 km) ESERurutu Airport (RUR)Rurutu, French PolynesiaView Rurutu Airport on a map Set RUR as origin Airport Set RUR as destination Airport Get more information about Rurutu Airport
1210,724.11 miles (17,258.73 km) SEFakarava Airport (FAV)Fakarava, Society Islands, French PolynesiaView Fakarava Airport on a map Set FAV as origin Airport Set FAV as destination Airport Get more information about Fakarava Airport
1310,668.11 miles (17,168.62 km) SEApataki Airport (APK)Apataki, French PolynesiaView Apataki Airport on a map Set APK as origin Airport Set APK as destination Airport Get more information about Apataki Airport
1410,644.67 miles (17,130.89 km) SEFa'a'ā International Airport (PPT)Papeete, Tahiti, French PolynesiaView Fa'a'ā International Airport on a map Set PPT as origin Airport Set PPT as destination Airport Get more information about Fa'a'ā International Airport
1510,641.76 miles (17,126.21 km) SEArutua Airport (AXR)Arutua, Tuamotus, French PolynesiaView Arutua Airport on a map Set AXR as origin Airport Set AXR as destination Airport Get more information about Arutua Airport

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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination 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 destination Airport Set MJK as destination Airport Get more information about Shark Bay Airport