About this route:

A direct, nonstop flight between Roberts International Airport Roberts Field (ROB), Monrovia, Liberia and Alpena County Regional Airport (APN), Alpena, Michigan, United States would travel a Great Circle distance of 5,096 miles (or 8,201 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 Roberts International Airport Roberts Field and Alpena County Regional 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 Roberts International Airport Roberts Field and Alpena County Regional Airport. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

IATA / ICAO Codes: ROB / GLRB
Airport Name: Roberts International Airport Roberts Field
Location: Monrovia, Liberia
GPS Coordinates: 6°14'2"N by 10°21'43"W
Area Served: Monrovia, Liberia
Airport Type: Public
Elevation: 31 feet (9 meters)
# of Runways: 1
View all routes: Routes from ROB
More Information: ROB Maps & Info

Arrival Airport Information:

IATA / ICAO Codes: APN / KAPN
Airport Name: Alpena County Regional Airport
Location: Alpena, Michigan, United States
GPS Coordinates: 45°4'41"N by 83°33'37"W
Area Served: Alpena, Michigan
Operator/Owner: County of Alpena
Airport Type: Public
Elevation: 690 feet (210 meters)
# of Runways: 2
View all routes: Routes from APN
More Information: APN Maps & Info

Facts about Roberts International Airport Roberts Field (ROB):

  • It was announced in October 2008 that U.S.
  • Because of Roberts International Airport Roberts Field's relatively low elevation of 31 feet, planes can take off or land at Roberts International Airport Roberts Field 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 closest airport to Roberts International Airport Roberts Field (ROB) is Spriggs Payne Airport (MLW), which is located 27 miles (44 kilometers) W of ROB.
  • Roberts International Airport Roberts Field handled 133,656 passengers last year.
  • Roberts International Airport Roberts Field (ROB) currently has only 1 runway.
  • During the Second Liberian Civil War, the main terminal building suffered major damage, and remains vacant and unenclosed.
  • In 1942, Liberia signed a Defense Pact with the United States.
  • The furthest airport from Roberts International Airport Roberts Field (ROB) is Nauru International Airport (INU), which is nearly antipodal to Roberts International Airport Roberts Field (meaning Roberts International Airport Roberts Field is almost on the exact opposite side of the Earth from Nauru International Airport), and is located 12,001 miles (19,314 kilometers) away in Yaren, Nauru.

Facts about Alpena County Regional Airport (APN):

  • Alpena County Regional Airport (APN) has 2 runways.
  • The closest airport to Alpena County Regional Airport (APN) is Oscoda-Wurtsmith Airport (OSC), which is located 44 miles (71 kilometers) S of APN.
  • Because of Alpena County Regional Airport's relatively low elevation of 690 feet, planes can take off or land at Alpena County Regional 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.
  • Alpena County Regional Airport covers an area of 3,084 acres at an elevation of 690 feet above mean sea level.
  • The furthest airport from Alpena County Regional Airport (APN) is Margaret River Airport (MGV), which is located 11,184 miles (17,999 kilometers) away in Margaret River, Western Australia, Australia.

Map of Nearest Airports to Roberts International Airport Roberts Field:

List of Nearest Airports to Roberts International Airport Roberts Field:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
127.49 miles (44.24 km) WSpriggs Payne Airport (MLW)Monrovia, LiberiaView Spriggs Payne Airport on a map Set MLW as origin Airport Set MLW as destination Airport Get more information about Spriggs Payne Airport
230.90 miles (49.73 km) SEBuchanan Airport (UCN)Buchanan, LiberiaView Buchanan Airport on a map Set UCN as origin Airport Set UCN as destination Airport Get more information about Buchanan Airport
3121.67 miles (195.81 km) SEGreenville/Sinoe Airport (SNI)Greenville, LiberiaView Greenville/Sinoe Airport on a map Set SNI as origin Airport Set SNI as destination Airport Get more information about Greenville/Sinoe Airport
4127.68 miles (205.48 km) NNWKenema Airport (KEN)Kenema, Sierra LeoneView Kenema Airport on a map Set KEN as origin Airport Set KEN as destination Airport Get more information about Kenema Airport
5146.66 miles (236.02 km) NFoya Airport (FOY)Foya, LiberiaView Foya Airport on a map Set FOY as origin Airport Set FOY as destination Airport Get more information about Foya Airport
6149.81 miles (241.09 km) NENimba Airport (NIA)Nimba, LiberiaView Nimba Airport on a map Set NIA as origin Airport Set NIA as destination Airport Get more information about Nimba Airport
7150.29 miles (241.88 km) NNEVoinjama Airport (VOI)Voinjama, LiberiaView Voinjama Airport on a map Set VOI as origin Airport Set VOI as destination Airport Get more information about Voinjama Airport
8152.20 miles (244.95 km) NWBo Airport (KBS)Bo, Sierra LeoneView Bo Airport on a map Set KBS as origin Airport Set KBS as destination Airport Get more information about Bo Airport
9153.26 miles (246.65 km) ETchien Airport (THC)Tchien, LiberiaView Tchien Airport on a map Set THC as origin Airport Set THC as destination Airport Get more information about Tchien Airport
10157.67 miles (253.74 km) NENzérékoré Airport (NZE)N'zerekore, GuineaView Nzérékoré Airport on a map Set NZE as origin Airport Set NZE as destination Airport Get more information about Nzérékoré Airport
11170.28 miles (274.04 km) NNEMacenta Airport (MCA)Macenta, GuineaView Macenta Airport on a map Set MCA as origin Airport Set MCA as destination Airport Get more information about Macenta Airport
12171.10 miles (275.36 km) NNWYengema Airport (WYE)Yengema, Kono District, Sierra LeoneView Yengema Airport on a map Set WYE as origin Airport Set WYE as destination Airport Get more information about Yengema Airport
13171.25 miles (275.60 km) SESasstown Airport (SAZ)Sasstown, LiberiaView Sasstown Airport on a map Set SAZ as origin Airport Set SAZ as destination Airport Get more information about Sasstown Airport
14172.96 miles (278.36 km) WNWSherbro International Airport (BTE)Bonthe, Sierra LeoneView Sherbro International Airport on a map Set BTE as origin Airport Set BTE as destination Airport Get more information about Sherbro International Airport
15176.07 miles (283.35 km) NWGbangbatok Airport (GBK)Gbangbatok, Sierra LeoneView Gbangbatok Airport on a map Set GBK as origin Airport Set GBK as destination Airport Get more information about Gbangbatok Airport

Map of Furthest Airports from Roberts International Airport Roberts Field:

List of Furthest Airports from Roberts International Airport Roberts Field:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
112,001.48 miles (19,314.47 km) SSENauru International Airport (INU)Yaren, NauruView Nauru International Airport on a map Set INU as origin Airport Set INU as destination Airport Get more information about Nauru International Airport
211,914.55 miles (19,174.55 km) SSWAranuka Airport (AAK)Aranuka, KiribatiView Aranuka Airport on a map Set AAK as origin Airport Set AAK as destination Airport Get more information about Aranuka Airport
311,906.85 miles (19,162.17 km) SSEMota Lava Airport (MTV)Mota Lava, VanuatuView Mota Lava Airport on a map Set MTV as origin Airport Set MTV as destination Airport Get more information about Mota Lava Airport
411,891.43 miles (19,137.35 km) SSEVanua Lava Airport (SLH)Sola, Vanua Lava, Torba Province, VanuatuView Vanua Lava Airport on a map Set SLH as origin Airport Set SLH as destination Airport Get more information about Vanua Lava Airport
511,889.60 miles (19,134.42 km) SSWAbemama Atoll Airport (AEA)Abemama Atoll, KiribatiView Abemama Atoll Airport on a map Set AEA as origin Airport Set AEA as destination Airport Get more information about Abemama Atoll Airport
611,883.66 miles (19,124.84 km) WSWArorae Island Airport (AIS)Arorae Island, KiribatiView Arorae Island Airport on a map Set AIS as origin Airport Set AIS as destination Airport Get more information about Arorae Island Airport
711,883.30 miles (19,124.28 km) SWBeru Island Airport (BEZ)Beru, KiribatiView Beru Island Airport on a map Set BEZ as origin Airport Set BEZ as destination Airport Get more information about Beru Island Airport
811,867.83 miles (19,099.37 km) SSEGaua Airport (ZGU)Gaua, Torba, VanuatuView Gaua Airport on a map Set ZGU as origin Airport Set ZGU as destination Airport Get more information about Gaua Airport
911,857.61 miles (19,082.92 km) SSWBonriki International Airport (TRW)Tarawa, KiribatiView Bonriki International Airport on a map Set TRW as origin Airport Set TRW as destination Airport Get more information about Bonriki International Airport
1011,856.27 miles (19,080.78 km) ESEUlawa Airport (RNA)Arona, Ulawa Island, Solomon IslandsView Ulawa Airport on a map Set RNA as origin Airport Set RNA as destination Airport Get more information about Ulawa Airport
1111,834.35 miles (19,045.50 km) SSWAbaiang Atoll Airport (ABF)Abaiang, KiribatiView Abaiang Atoll Airport on a map Set ABF as origin Airport Set ABF as destination Airport Get more information about Abaiang Atoll Airport
1211,832.96 miles (19,043.25 km) ESEKirakira Airport (IRA)Kirakira, Makira Island, Solomon IslandsView Kirakira Airport on a map Set IRA as origin Airport Set IRA as destination Airport Get more information about Kirakira Airport
1311,822.17 miles (19,025.89 km) SMaewo-Naone Airport (MWF)Maewo, VanuatuView Maewo-Naone Airport on a map Set MWF as origin Airport Set MWF as destination Airport Get more information about Maewo-Naone Airport
1411,818.50 miles (19,019.99 km) ESEUru Harbour Airport (ATD)Atoifi, Malaita, Solomon IslandsView Uru Harbour Airport on a map Set ATD as origin Airport Set ATD as destination Airport Get more information about Uru Harbour Airport
1511,812.06 miles (19,009.63 km) SSWMarakei Airport (MZK)Marakei, KiribatiView Marakei Airport on a map Set MZK as origin Airport Set MZK as destination Airport Get more information about Marakei Airport

Map of Nearest Airports to Alpena County Regional Airport:

List of Nearest Airports to Alpena County Regional Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
144.04 miles (70.88 km) SOscoda-Wurtsmith Airport (OSC)Oscoda, Michigan, United StatesView Oscoda-Wurtsmith Airport on a map Set OSC as destination Airport Set OSC as destination Airport Get more information about Oscoda-Wurtsmith Airport
255.98 miles (90.09 km) WGaylord Regional Airport (GLR)Gaylord, Michigan, United StatesView Gaylord Regional Airport on a map Set GLR as destination Airport Set GLR as destination Airport Get more information about Gaylord Regional Airport
364.96 miles (104.55 km) NDrummond Island Airport (DRE)Drummond Island, Michigan, United StatesView Drummond Island Airport on a map Set DRE as destination Airport Set DRE as destination Airport Get more information about Drummond Island Airport
469.04 miles (111.11 km) WNWPellston Regional Airport of Emmet County (PLN)Pellston, Michigan, United StatesView Pellston Regional Airport of Emmet County on a map Set PLN as destination Airport Set PLN as destination Airport Get more information about Pellston Regional Airport of Emmet County
573.56 miles (118.38 km) NEGore Bay-Manitoulin Airport (YZE)Gore Bay, Ontario, CanadaView Gore Bay-Manitoulin Airport on a map Set YZE as destination Airport Set YZE as destination Airport Get more information about Gore Bay-Manitoulin Airport
673.74 miles (118.67 km) SWRoscommon County - Blodgett Memorial Airport (HTL)Houghton Lake, Michigan, United StatesView Roscommon County - Blodgett Memorial Airport on a map Set HTL as destination Airport Set HTL as destination Airport Get more information about Roscommon County - Blodgett Memorial Airport
775.36 miles (121.28 km) NWMackinac Island Airport (MCD)Mackinac Island, Michigan, United StatesView Mackinac Island Airport on a map Set MCD as destination Airport Set MCD as destination Airport Get more information about Mackinac Island Airport
880.22 miles (129.10 km) WAntrim County Airport (ACB)Bellaire, Michigan, United StatesView Antrim County Airport on a map Set ACB as destination Airport Set ACB as destination Airport Get more information about Antrim County Airport
988.80 miles (142.91 km) SSWGladwin Zettel Memorial Airport (GDW)Gladwin, Michigan, United StatesView Gladwin Zettel Memorial Airport on a map Set GDW as destination Airport Set GDW as destination Airport Get more information about Gladwin Zettel Memorial Airport
1092.23 miles (148.43 km) NNWChippewa County International Airport (CIU)Sault Ste Marie, Michigan, United StatesView Chippewa County International Airport on a map Set CIU as destination Airport Set CIU as destination Airport Get more information about Chippewa County International Airport
1192.23 miles (148.43 km) NNWKincheloe Air Force Base (INR)Sault Ste. Marie, Michigan, United StatesView Kincheloe Air Force Base on a map Set INR as destination Airport Set INR as destination Airport Get more information about Kincheloe Air Force Base
1297.97 miles (157.67 km) ENEManitowaning/Manitoulin East Municipal Airport (YEM)Manitowaning, Ontario, CanadaView Manitowaning/Manitoulin East Municipal Airport on a map Set YEM as destination Airport Set YEM as destination Airport Get more information about Manitowaning/Manitoulin East Municipal Airport
13100.33 miles (161.47 km) NNEElliot Lake Municipal Airport (YEL)Elliot Lake, Ontario, CanadaView Elliot Lake Municipal Airport on a map Set YEL as destination Airport Set YEL as destination Airport Get more information about Elliot Lake Municipal Airport
14101.63 miles (163.56 km) WSWCherry Capital Airport (TVC)Traverse City, Michigan, United StatesView Cherry Capital Airport on a map Set TVC as destination Airport Set TVC as destination Airport Get more information about Cherry Capital Airport
15106.84 miles (171.94 km) WSWWexford County Airport (CAD)Cadillac, Michigan, United StatesView Wexford County Airport on a map Set CAD as destination Airport Set CAD as destination Airport Get more information about Wexford County Airport

Map of Furthest Airports from Alpena County Regional Airport:

List of Furthest Airports from Alpena County Regional Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
111,183.86 miles (17,998.64 km) WSWMargaret 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
211,159.81 miles (17,959.93 km) WSWBusselton 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
311,155.62 miles (17,953.18 km) WSWManjimup 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
411,133.52 miles (17,917.63 km) WSWBunbury 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
511,112.93 miles (17,884.49 km) WSWAlbany 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
611,071.60 miles (17,817.97 km) SWRottnest 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
711,064.65 miles (17,806.79 km) WSWKatanning 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
811,062.42 miles (17,803.20 km) SWJandakot 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
911,051.09 miles (17,784.96 km) SWPerth 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
1011,002.05 miles (17,706.05 km) SWJurien 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
1110,932.92 miles (17,594.78 km) SWGeraldton 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
1210,906.39 miles (17,552.10 km) SWMorawa 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
1310,886.68 miles (17,520.37 km) SWKalbarri 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
1410,885.60 miles (17,518.63 km) SWMullewa 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
1510,878.99 miles (17,507.99 km) WSWEsperance Airport (EPR)Esperance, AustraliaView Esperance Airport on a map Set EPR as destination Airport Set EPR as destination Airport Get more information about Esperance Airport