Nonstop flight route between St. Mary's, Alaska, United States and Postville, Newfoundland and Labrador, Canada:
Departure Airport:
(62°3'38"N by 163°18'6"W)
Arrival Airport:
(54°54'37"N by 59°47'7"W)
Distance from KSM to YSO:
3,365.23 miles (5,415.79 km)
Share this route:
Jump to:
- About this route
- KSM Airport Information
- YSO Airport Information
- Facts about KSM
- Facts about YSO
- 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 YSO
- List of Nearest Airports to YSO
- Map of Furthest Airports from YSO
- List of Furthest Airports from YSO
About this route:
A direct, nonstop flight between St. Mary's Airport (KSM), St. Mary's, Alaska, United States and Postville Airport (YSO), Postville, Newfoundland and Labrador, Canada would travel a Great Circle distance of 3,365 miles (or 5,416 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 Postville 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 Postville 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: | YSO / |
| Airport Names: |
|
| Location: | Postville, Newfoundland and Labrador, Canada |
| GPS Coordinates: | 54°54'37"N by 59°47'7"W |
| Operator/Owner: | Government of Newfoundland and Labrador |
| Airport Type: | Public |
| Elevation: | 223 feet (68 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from YSO |
| More Information: | YSO Maps & Info |
Facts about St. Mary's Airport (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.
- 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.
- 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 Postville Airport (YSO):
- Postville Airport (YSO) currently has only 1 runway.
- The furthest airport from Postville Airport (YSO) is Albany Airport (ALH), which is located 11,052 miles (17,787 kilometers) away in Albany, Western Australia, Australia.
- Because of Postville Airport's relatively low elevation of 223 feet, planes can take off or land at Postville 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.
- In addition to being known as "Postville Airport", another name for YSO is "CCD4".
- The closest airport to Postville Airport (YSO) is Makkovik Airport (YMN), which is located 26 miles (42 kilometers) ENE of YSO.
| 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 | 26.34 miles (42.39 km) ENE | Makkovik Airport (YMN) | Makkovik, Newfoundland and Labrador, Canada | |
| 2 | 41.11 miles (66.16 km) NNW | Hopedale Airport (YHO) | Hopedale, Labrador, Canada | |
| 3 | 73.37 miles (118.07 km) SE | Rigolet Airport (YRG) | Rigolet, Newfoundland and Labrador, Canada | |
| 4 | 112.95 miles (181.78 km) SSW | CFB Goose Bay (YYR) | Goose Bay, Labrador, Canada | |
| 5 | 135.23 miles (217.63 km) NNW | Nain Airport (YDP) | Nain, Newfoundland and Labrador, Canada | |
| 6 | 139.38 miles (224.32 km) SE | Cartwright Airport (YRF) | Cartwright, Newfoundland and Labrador, Canada | |
| 7 | 189.75 miles (305.38 km) ESE | Black Tickle Airport (YBI) | Black Tickle, Newfoundland and Labrador, Canada | |
| 8 | 197.72 miles (318.19 km) WSW | Churchill Falls Airport (ZUM) | Churchill Falls, Newfoundland and Labrador, Canada | |
| 9 | 210.60 miles (338.93 km) SE | Charlottetown Airport (YHG) | Charlottetown, Newfoundland and Labrador, Canada | |
| 10 | 218.05 miles (350.92 km) SE | Port Hope Simpson Airport (YHA) | Port Hope Simpson, Newfoundland and Labrador, Canada | |
| 11 | 229.99 miles (370.13 km) SE | Williams Harbour Airport (YWM) | Williams Harbour, Newfoundland and Labrador, Canada | |
| 12 | 241.82 miles (389.17 km) SE | Mary's Harbour Airport (YMH) | Mary's Harbour, Labrador, Canada | |
| 13 | 243.03 miles (391.11 km) SE | St. Lewis (Fox Harbour) Airport (YFX) | St. Lewis, Newfoundland and Labrador, Canada | |
| 14 | 259.93 miles (418.31 km) S | Saint-Augustin Airport (YIF) | Saint-Augustin, Quebec, Canada | |
| 15 | 262.66 miles (422.70 km) SSE | Lourdes-de-Blanc-Sablon Airport (YBX) | Lourdes-de-Blanc-Sablon, Quebec, Canada | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,052.41 miles (17,787.08 km) S | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 2 | 10,996.95 miles (17,697.82 km) S | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 3 | 10,968.18 miles (17,651.52 km) S | Esperance Airport (EPR) | Esperance, Australia | |
| 4 | 10,966.35 miles (17,648.58 km) SSE | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 5 | 10,966.06 miles (17,648.12 km) S | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 6 | 10,956.98 miles (17,633.51 km) WSW | Hobart International Airport (HBA) | Hobart, Tasmania, Australia | |
| 7 | 10,952.08 miles (17,625.62 km) S | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 8 | 10,943.00 miles (17,611.00 km) WSW | Smithton Airport (SIO) | Smithton, Tasmania, Australia | |
| 9 | 10,932.92 miles (17,594.78 km) S | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 10 | 10,932.68 miles (17,594.40 km) SW | King Island Airport (KNS) | Currie, Tasmania, Australia | |
| 11 | 10,929.13 miles (17,588.68 km) WSW | Burnie Airport (BWT) | Burnie, Tasmania, Australia | |
| 12 | 10,921.97 miles (17,577.16 km) SW | Portland Airport (PTJ) | Portland, Victoria, Australia | |
| 13 | 10,913.43 miles (17,563.42 km) WSW | Devonport Airport (DPO) | Devonport, Tasmania, Australia | |
| 14 | 10,909.30 miles (17,556.77 km) SW | Mount Gambier Airport (MGB) | Mount Gambier, Australia | |
| 15 | 10,904.51 miles (17,549.06 km) WSW | Launceston Airport (LST) | Launceston, Tasmania, Australia | |