Nonstop flight route between St. Mary's, Alaska, United States and Bayankhongor, Mongolia:
Departure Airport:
(62°3'38"N by 163°18'6"W)
Arrival Airport:
(46°10'14"N by 100°42'0"E)
Distance from KSM to BYN:
3,654.00 miles (5,880.53 km)
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Jump to:
- About this route
- KSM Airport Information
- BYN Airport Information
- Facts about KSM
- Facts about BYN
- Map of Nearest Airports to KSM
- List of Nearest Airports to KSM
- Map of Furthest Airports from KSM
- List of Furthest Airports from KSM
- Map of Nearest Airports to BYN
- List of Nearest Airports to BYN
- Map of Furthest Airports from BYN
- List of Furthest Airports from BYN
About this route:
A direct, nonstop flight between St. Mary's Airport (KSM), St. Mary's, Alaska, United States and Bayankhongor Airport (BYN), Bayankhongor, Mongolia would travel a Great Circle distance of 3,654 miles (or 5,881 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. Mary's Airport and Bayankhongor 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. Mary's Airport and Bayankhongor Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | KSM / PASM |
| Airport Name: | St. Mary's Airport |
| Location: | St. Mary's, Alaska, United States |
| GPS Coordinates: | 62°3'38"N by 163°18'6"W |
| Operator/Owner: | Alaska DOT&PF |
| Airport Type: | Public |
| Elevation: | 312 feet (95 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from KSM |
| More Information: | KSM Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | BYN / ZMBH |
| Airport Name: | Bayankhongor Airport |
| Location: | Bayankhongor, Mongolia |
| GPS Coordinates: | 46°10'14"N by 100°42'0"E |
| Operator/Owner: | Civil Aviation Authority of Mongolia |
| Airport Type: | Joint (Civil and Military) |
| Elevation: | 6085 feet (1,855 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from BYN |
| More Information: | BYN Maps & Info |
Facts about St. Mary's Airport (KSM):
- The closest airport to St. Mary's Airport (KSM) is Mountain Village Airport (MOU), which is located only 13 miles (20 kilometers) W of KSM.
- The furthest airport from St. Mary's Airport (KSM) is Cape Town International Airport (CPT), which is located 10,494 miles (16,889 kilometers) away in Cape Town, South Africa.
- St. Mary's Airport (KSM) has 2 runways.
- Because of St. Mary's Airport's relatively low elevation of 312 feet, planes can take off or land at St. Mary's 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.
Facts about Bayankhongor Airport (BYN):
- Bayankhongor Airport handled 2,192 passengers last year.
- Bayankhongor Airport (BYN) has 2 runways.
- Because of Bayankhongor Airport's high elevation of 6,085 feet, planes must typically fly at a faster airspeed in order to takeoff or land at BYN. Combined with a high temperature, this could make BYN a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- The furthest airport from Bayankhongor Airport (BYN) is Cochrane Airfield (LGR), which is nearly antipodal to Bayankhongor Airport (meaning Bayankhongor Airport is almost on the exact opposite side of the Earth from Cochrane Airfield), and is located 12,110 miles (19,490 kilometers) away in Cochrane, Chile.
- The closest airport to Bayankhongor Airport (BYN) is Arvaykheer Airport (AVK), which is located 101 miles (162 kilometers) E of BYN.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12.52 miles (20.15 km) W | Mountain Village Airport (MOU) | Mountain Village, Alaska, United States |     |
| 2 | 15.71 miles (25.28 km) ESE | Pilot Station Airport (PQS) | Pilot Station, Alaska, United States | |
| 3 | 43.61 miles (70.18 km) ESE | Marshall Don Hunter Sr. Airport (MLL) | Marshall, Alaska, United States | |
| 4 | 58.95 miles (94.87 km) WNW | Sheldon Point Airport (SXP) | Sheldon Point, Alaska, United States | |
| 5 | 61.02 miles (98.20 km) NW | Alakanuk Airport (AUK) | Alakanuk, Alaska, United States | |
| 6 | 62.90 miles (101.24 km) NW | Emmonak Airport (EMK) | Emmonak, Alaska, United States | |
| 7 | 67.40 miles (108.48 km) N | Kotlik Airport (KOT) | Kotlik, Alaska, United States | |
| 8 | 67.43 miles (108.52 km) ESE | Russian Mission Airport (RSH) | Russian Mission, Alaska, United States | |
| 9 | 75.21 miles (121.04 km) W | Scammon Bay Airport (SCM) | Scammon Bay, Alaska, United States | |
| 10 | 83.21 miles (133.91 km) WSW | Chevak Airport (VAK) | Chevak, Alaska, United States | |
| 11 | 84.72 miles (136.35 km) SSE | Nunapitchuk Airport (NUP) | Nunapitchuk, Alaska, United States | |
| 12 | 85.97 miles (138.35 km) SSE | Kasigluk Airport (KUK) | Kasigluk, Alaska, United States | |
| 13 | 88.49 miles (142.42 km) W | Cape Romanzof Air Force Station Cape Romanzof Long Range Radar Site (CZF) | Cape Romanzof, Alaska, United States | |
| 14 | 89.19 miles (143.53 km) SSW | Newtok Airport (WWT) | Newtok, Alaska, United States | |
| 15 | 89.22 miles (143.59 km) SSE | Atmautluak Airport (ATT) | Atmautluak, Alaska, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,494.08 miles (16,888.54 km) S | Cape Town International Airport (CPT) | Cape Town, South Africa | |
| 2 | 10,482.44 miles (16,869.80 km) S | George Airport (GRJ) | George, South Africa | |
| 3 | 10,457.83 miles (16,830.21 km) SSW | Port Elizabeth International Airport (PLZ) | Port Elizabeth, South Africa | |
| 4 | 10,416.76 miles (16,764.12 km) SSW | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 5 | 10,371.90 miles (16,691.92 km) SSW | East London Airport (ELS) | East London, South Africa | |
| 6 | 10,261.64 miles (16,514.46 km) SSW | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 7 | 10,199.66 miles (16,414.71 km) S | Kleinsee Airport (KLZ) | Kleinzee, South Africa | |
| 8 | 10,195.75 miles (16,408.43 km) SSW | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 9 | 10,169.94 miles (16,366.89 km) S | Aggeneys Airport (AGZ) | Aggeneys, South Africa | |
| 10 | 10,169.94 miles (16,366.89 km) S | Wild Coast Sun Airport (MZF) | Mzamba, South Africa | |
| 11 | 10,157.43 miles (16,346.75 km) SSW | Mafeteng Airport (MFC) | Mafeteng, Lesotho | |
| 12 | 10,151.99 miles (16,338.00 km) SSW | Semonkong Airport (SOK) | Semonkong, Lesotho | |
| 13 | 10,149.37 miles (16,333.79 km) SSW | Lebakeng Airport (LEF) | Lebakeng, Lesotho | |
| 14 | 10,143.31 miles (16,324.03 km) SSW | Lesobeng Airport (LES) | Lesobeng, Lesotho | |
| 15 | 10,133.50 miles (16,308.25 km) SE | Teniente Rodolfo Marsh Airport (TNM) | Villa Las Estrellas, Antarctica | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 100.52 miles (161.78 km) E | Arvaykheer Airport (AVK) | Arvaikheer, Mongolia | |
| 2 | 110.41 miles (177.69 km) ENE | Khujirt Airport (HJT) | Khujirt, Övörkhangai, Mongolia | |
| 3 | 125.19 miles (201.48 km) NE | Kharkhorin Airport (KHR) | Kharkhorin, Mongolia | |
| 4 | 214.44 miles (345.11 km) W | Altai Airport (LTI) | Altai, Govi-Altai, Mongolia | |
| 5 | 226.38 miles (364.32 km) NE | Bulgan Airport (UGA) | Bulgan, Mongolia | |
| 6 | 242.90 miles (390.92 km) N | Mörön Airport (MXV) | Mörön, Khövsgöl Province, Mongolia | |
| 7 | 269.52 miles (433.75 km) E | Mandalgovi Airport (MXW) | Mandalgovi, Dundgovi, Mongolia | |
| 8 | 287.47 miles (462.64 km) S | Ejin Banner Taolai Airport (EJN) | Ejin Banner, Inner Mongolia, China | |
| 9 | 308.19 miles (495.98 km) ENE | Chinggis Khaan International Airport (ULN) | Ulan Bator, Mongolia | |
| 10 | 415.55 miles (668.77 km) WSW | Hami Airport (HMI) | Hami City, Xinjiang, China | |
| 11 | 444.32 miles (715.06 km) WNW | Khovd Airport (HVD) | Khovd, Mongolia | |
| 12 | 452.15 miles (727.67 km) SSW | Jiayuguan Airport (JGN) | Jiayuguan, Gansu, China | |
| 13 | 452.84 miles (728.78 km) NNE | International Airport Irkutsk (IKT) | Irkutsk, Russia | |
| 14 | 475.41 miles (765.09 km) NW | Kyzyl Airport (KYZ) | Kyzyl, Tuva, Russia | |
| 15 | 476.43 miles (766.74 km) NW | Ulaangom Airport (ULO) | Ulaangom, Uvs Province, Mongolia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,110.36 miles (19,489.68 km) WSW | Cochrane Airfield (LGR) | Cochrane, Chile | |
| 2 | 12,088.65 miles (19,454.74 km) W | Teniente Vidal Airfield (GXQ) | Coyhaique, Chile | |
| 3 | 12,072.91 miles (19,429.41 km) W | Chile Chico Airfield (CCH) | Chile Chico, Aisén Region, Chile | |
| 4 | 12,071.52 miles (19,427.19 km) W | Balmaceda Airport (BBA) | Balmaceda, Chile | |
| 5 | 12,063.74 miles (19,414.67 km) SW | Gamboa Airport (WCA) | Castro, Chile | |
| 6 | 12,054.35 miles (19,399.55 km) SW | Mocopulli Airport (MHC) | Castro, Los Lagos, Chile | |
| 7 | 12,042.47 miles (19,380.42 km) WSW | Chaitén Airfield (WCH) | Chaitén, Los Lagos, Chile | |
| 8 | 12,039.34 miles (19,375.39 km) W | Perito Moreno Airport (PMQ) | Perito Moreno, Santa Cruz, Argentina | |
| 9 | 12,034.94 miles (19,368.32 km) SW | Pupelde Airfield (ZUD) | Ancud, Los Lagos Region, Chile | |
| 10 | 12,018.95 miles (19,342.58 km) W | Alto Río Senguer Airport (ARR) | Alto Río Senguer, Chubut, Argentina | |
| 11 | 12,005.35 miles (19,320.69 km) SW | Lago Argentino Airport (ING) | El Calafate, Santa Cruz, Argentina | |
| 12 | 11,999.09 miles (19,310.61 km) SW | Comandante Armando Tola International Airport (FTE) | El Calafate, Santa Cruz Province, Argentina | |
| 13 | 11,986.89 miles (19,290.99 km) SW | El Tepual International Airport (PMC) | Puerto Montt, Chile | |
| 14 | 11,976.60 miles (19,274.42 km) WSW | Esquel Airport (EQS) | Esquel, Chubut Province, Argentina | |
| 15 | 11,973.29 miles (19,269.10 km) WSW | Gobernador Gregores Airport (GGS) | Gobernador Gregores, Santa Cruz, Argentina | |