Nonstop flight route between Fort Simpson, Northwest Territories, Canada and Alton, Illinois, United States:
Departure Airport:
(61°45'37"N by 121°14'12"W)
Arrival Airport:
(38°53'25"N by 90°2'45"W)
Distance from YFS to ALN:
2,055.89 miles (3,308.63 km)
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Jump to:
- About this route
- YFS Airport Information
- ALN Airport Information
- Facts about YFS
- Facts about ALN
- Map of Nearest Airports to YFS
- List of Nearest Airports to YFS
- Map of Furthest Airports from YFS
- List of Furthest Airports from YFS
- Map of Nearest Airports to ALN
- List of Nearest Airports to ALN
- Map of Furthest Airports from ALN
- List of Furthest Airports from ALN
About this route:
A direct, nonstop flight between Fort Simpson Airport (YFS), Fort Simpson, Northwest Territories, Canada and St. Louis Regional Airport (ALN), Alton, Illinois, United States would travel a Great Circle distance of 2,056 miles (or 3,309 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 relatively short distance between Fort Simpson Airport and St. Louis Regional Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | YFS / CYFS |
| Airport Name: | Fort Simpson Airport |
| Location: | Fort Simpson, Northwest Territories, Canada |
| GPS Coordinates: | 61°45'37"N by 121°14'12"W |
| Operator/Owner: | Government of the Northwest Territories |
| Elevation: | 556 feet (169 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from YFS |
| More Information: | YFS Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | ALN / KALN |
| Airport Name: | St. Louis Regional Airport |
| Location: | Alton, Illinois, United States |
| GPS Coordinates: | 38°53'25"N by 90°2'45"W |
| Area Served: | Alton, Illinois |
| Operator/Owner: | St. Louis Regional |
| Airport Type: | Public |
| Elevation: | 544 feet (166 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from ALN |
| More Information: | ALN Maps & Info |
Facts about Fort Simpson Airport (YFS):
- Because of Fort Simpson Airport's relatively low elevation of 556 feet, planes can take off or land at Fort Simpson 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.
- Fort Simpson Airport (YFS) currently has only 1 runway.
- The closest airport to Fort Simpson Airport (YFS) is Wrigley Airport (YWY), which is located 122 miles (197 kilometers) NW of YFS.
- The furthest airport from Fort Simpson Airport (YFS) is Port Alfred Airport (AFD), which is located 10,037 miles (16,152 kilometers) away in Port Alfred, South Africa.
Facts about St. Louis Regional Airport (ALN):
- Its operations are paid for by an airport taxation district created in 1946, which collects taxes from property owners in the Madison County townships of Alton, Wood River, Foster and Fort Russell.
- The furthest airport from St. Louis Regional Airport (ALN) is Margaret River Airport (MGV), which is located 11,002 miles (17,706 kilometers) away in Margaret River, Western Australia, Australia.
- The closest airport to St. Louis Regional Airport (ALN) is Lambert–St. Louis International Airport (STL), which is located only 20 miles (32 kilometers) WSW of ALN.
- Because of St. Louis Regional Airport's relatively low elevation of 544 feet, planes can take off or land at St. Louis 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.
- St. Louis Regional Airport (ALN) has 2 runways.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 122.30 miles (196.82 km) NW | Wrigley Airport (YWY) | Wrigley, Northwest Territories, Canada |     |
| 2 | 129.20 miles (207.92 km) SW | Fort Liard Airport (YJF) | Fort Liard, Northwest Territories, Canada | |
| 3 | 158.84 miles (255.63 km) NE | Whatì Airport (YLE) | Lac La Martre, Northwest Territories, Canada | |
| 4 | 191.74 miles (308.58 km) ESE | Hay River/Merlyn Carter Airport (YHY) | Hay River, Northwest Territories, Canada | |
| 5 | 204.21 miles (328.64 km) NE | Gamèti/Rae Lakes Airport (YRA) | Gamèti (formerly Rae Lakes), Northwest Territories, Canada | |
| 6 | 207.31 miles (333.63 km) SSW | Northern Rockies Regional Airport (YYE) | Fort Nelson, British Columbia, Canada | |
| 7 | 224.84 miles (361.84 km) ENE | Yellowknife Airport (YZF) | Yellowknife, Northwest Territories, Canada | |
| 8 | 234.44 miles (377.30 km) SSE | Rainbow Lake Airport (YOP) | Rainbow Lake, Alberta, Canada | |
| 9 | 247.86 miles (398.89 km) NNW | Déline Airport (YWJ) | Deline, Northwest Territories, Canada | |
| 10 | 252.10 miles (405.71 km) E | Fort Resolution Airport (YFR) | Fort Resolution, Northwest Territories, Canada | |
| 11 | 255.61 miles (411.36 km) NNW | Tulita Airport (ZFN) | Tulita, Northwest Territories, Canada | |
| 12 | 257.94 miles (415.11 km) SE | High Level Airport (YOJ) | High Level, Alberta, Canada | |
| 13 | 278.57 miles (448.31 km) WSW | Watson Lake Airport (YQH) | Watson Lake, Yukon, Canada | |
| 14 | 297.33 miles (478.51 km) NNW | Norman Wells Airport (YVQ) | Norman Wells, Northwest Territories, Canada | |
| 15 | 333.77 miles (537.14 km) ESE | Fort Smith Airport (YSM) | Fort Smith, Northwest Territories, Canada | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,036.59 miles (16,152.28 km) SE | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 2 | 10,030.71 miles (16,142.82 km) SE | Port Elizabeth International Airport (PLZ) | Port Elizabeth, South Africa | |
| 3 | 10,027.74 miles (16,138.04 km) SE | East London Airport (ELS) | East London, South Africa | |
| 4 | 9,954.85 miles (16,020.73 km) SE | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 5 | 9,950.03 miles (16,012.99 km) SE | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 6 | 9,945.97 miles (16,006.44 km) ESE | George Airport (GRJ) | George, South Africa | |
| 7 | 9,887.52 miles (15,912.38 km) SE | King Shaka International (DUR) | Durban, KwaZulu-Natal, South Africa | |
| 8 | 9,873.70 miles (15,890.14 km) SE | Pietermaritzburg Airport (PZB) | Pietermaritzburg, South Africa | |
| 9 | 9,852.23 miles (15,855.59 km) SE | Richards Bay Airport (RCB) | Richards Bay, KwaZulu-Natal, South Africa | |
| 10 | 9,849.41 miles (15,851.04 km) SE | Lebakeng Airport (LEF) | Lebakeng, Lesotho | |
| 11 | 9,840.08 miles (15,836.03 km) SSE | Tôlanaro Airport (FTU) | Tôlanaro, Madagascar | |
| 12 | 9,837.77 miles (15,832.31 km) ESE | Cape Town International Airport (CPT) | Cape Town, South Africa | |
| 13 | 9,833.80 miles (15,825.93 km) SE | Lesobeng Airport (LES) | Lesobeng, Lesotho | |
| 14 | 9,832.06 miles (15,823.12 km) SE | Semonkong Airport (SOK) | Semonkong, Lesotho | |
| 15 | 9,820.26 miles (15,804.14 km) SE | Mokhotlong Airport (MKH) | Mokhotlong, Lesotho | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 19.64 miles (31.61 km) WSW | Lambert–St. Louis International Airport (STL) | St. Louis, Missouri, United States | |
| 2 | 22.85 miles (36.78 km) SSW | St. Louis Downtown Airport (CPS) | Cahokia, Illinois (near St. Louis), United States | |
| 3 | 26.41 miles (42.50 km) SSE | MidAmerica St. Louis Airport (BLV) | Belleville, Illinois, United States | |
| 4 | 36.08 miles (58.06 km) E | Greenville Airport (GRE) | Greenville, Illinois, United States | |
| 5 | 36.24 miles (58.32 km) WSW | Spirit of St. Louis Airport (SUS) | Chesterfield, Missouri, United States | |
| 6 | 60.74 miles (97.76 km) ESE | Salem–Leckrone Airport (SLO) | Salem, Illinois, United States | |
| 7 | 68.78 miles (110.69 km) NNE | Abraham Lincoln Capital Airport (SPI) | Springfield, Illinois, United States | |
| 8 | 75.13 miles (120.92 km) ESE | Mt. Vernon Airport (MVN) | Mount Vernon, Illinois, United States | |
| 9 | 88.08 miles (141.75 km) SSE | Southern Illinois Airport (MDH) | Carbondale/Murphysboro, Illinois, United States | |
| 10 | 90.73 miles (146.02 km) NE | Decatur Airport (DEC) | Decatur, Illinois, United States | |
| 11 | 95.12 miles (153.07 km) NW | Quincy Regional Airport (UIN) | Quincy, Illinois, United States | |
| 12 | 96.44 miles (155.20 km) SE | Williamson County Regional Airport (MWA) | Marion, Illinois, United States | |
| 13 | 102.97 miles (165.72 km) ENE | Coles County Memorial Airport (MTO) | Mattoon/Charleston, Illinois, United States | |
| 14 | 107.04 miles (172.27 km) WSW | Rolla National Airport (VIH) | Rolla, Missouri, United States | |
| 15 | 115.57 miles (186.00 km) W | Jefferson City Memorial Airport (JEF) | Jefferson City, Missouri, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,002.15 miles (17,706.21 km) W | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 2 | 10,979.99 miles (17,670.53 km) W | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 3 | 10,957.22 miles (17,633.90 km) W | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 4 | 10,954.58 miles (17,629.65 km) W | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 5 | 10,926.12 miles (17,583.85 km) W | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 6 | 10,910.74 miles (17,559.09 km) W | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 7 | 10,901.55 miles (17,544.30 km) W | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 8 | 10,897.24 miles (17,537.37 km) WSW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 9 | 10,880.36 miles (17,510.20 km) W | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 10 | 10,861.31 miles (17,479.54 km) WSW | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 11 | 10,859.59 miles (17,476.77 km) W | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 12 | 10,841.22 miles (17,447.21 km) WSW | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 13 | 10,808.74 miles (17,394.93 km) WSW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 14 | 10,807.95 miles (17,393.67 km) WSW | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 15 | 10,799.72 miles (17,380.43 km) WSW | Shark Bay Airport (MJK) | Monkey Mia, Western Australia, Australia | |