Nonstop flight route between Fort Sill, Oklahoma, United States and Sault Ste. Marie, Ontario, Canada:
Departure Airport:
(34°38'58"N by 98°24'7"W)
Arrival Airport:
(46°29'5"N by 84°30'33"W)
Distance from FSI to YAM:
1,092.35 miles (1,757.96 km)
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- About this route
- FSI Airport Information
- YAM Airport Information
- Facts about FSI
- Facts about YAM
- Map of Nearest Airports to FSI
- List of Nearest Airports to FSI
- Map of Furthest Airports from FSI
- List of Furthest Airports from FSI
- Map of Nearest Airports to YAM
- List of Nearest Airports to YAM
- Map of Furthest Airports from YAM
- List of Furthest Airports from YAM
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Sault Ste. Marie Airport (YAM), Sault Ste. Marie, Ontario, Canada would travel a Great Circle distance of 1,092 miles (or 1,758 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 Henry Post Army Airfield and Sault Ste. Marie Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | FSI / KFSI |
| Airport Name: | Henry Post Army Airfield |
| Location: | Fort Sill, Oklahoma, United States |
| GPS Coordinates: | 34°38'58"N by 98°24'7"W |
| Operator/Owner: | U.S. Army ATCA-ASO |
| Airport Type: | Military |
| Elevation: | 1189 feet (362 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from FSI |
| More Information: | FSI Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | YAM / CYAM |
| Airport Name: | Sault Ste. Marie Airport |
| Location: | Sault Ste. Marie, Ontario, Canada |
| GPS Coordinates: | 46°29'5"N by 84°30'33"W |
| Operator/Owner: | Sault Ste. Marie Airport Development Corporation |
| Airport Type: | Public |
| Elevation: | 632 feet (193 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from YAM |
| More Information: | YAM Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
- The furthest airport from Henry Post Army Airfield (FSI) is Sir Gaëtan Duval Airport (RRG), which is located 10,920 miles (17,575 kilometers) away in Rodrigues Island, Mauritius.
- The closest airport to Henry Post Army Airfield (FSI) is Lawton–Fort Sill Regional Airport (LAW), which is located only 6 miles (9 kilometers) S of FSI.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- In 1940 the Artillery decided that the Air Corps had outgrown such mundane chores as artillery spotting, and it was decided that it would take care of itself with its own observation aircraft.
- Air Service/Corps units assigned to Post Field between 1919 and 1941
Facts about Sault Ste. Marie Airport (YAM):
- In 2010, the airport ranked 34th among Canadian airports for total number of aircraft movements, with 51,279 movements.
- The closest airport to Sault Ste. Marie Airport (YAM) is Chippewa County International Airport (CIU), which is located only 16 miles (26 kilometers) S of YAM.
- The furthest airport from Sault Ste. Marie Airport (YAM) is Margaret River Airport (MGV), which is located 11,093 miles (17,853 kilometers) away in Margaret River, Western Australia, Australia.
- Sault Ste. Marie Airport (YAM) has 2 runways.
- Because of Sault Ste. Marie Airport's relatively low elevation of 632 feet, planes can take off or land at Sault Ste. Marie 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.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 5.72 miles (9.20 km) S | Lawton–Fort Sill Regional Airport (LAW) | Lawton, Oklahoma, United States |     |
| 2 | 28.03 miles (45.12 km) ESE | Halliburton Field (DUC) | Duncan, Oklahoma, United States | |
| 3 | 38.98 miles (62.73 km) WSW | Frederick Regional Airport (FDR) | Frederick, Oklahoma, United States | |
| 4 | 39.53 miles (63.61 km) NE | Chickasha Municipal Airport (CHK) | Chickasha, Oklahoma, United States | |
| 5 | 43.74 miles (70.39 km) WNW | Hobart Regional Airport (HBR) | Hobart, Oklahoma, United States | |
| 6 | 45.95 miles (73.94 km) S | Sheppard Air Force Base (SPS) | Wichita Falls, Texas, United States | |
| 7 | 49.22 miles (79.21 km) W | Altus Air Force Base (LTS) | Altus, Oklahoma, United States | |
| 8 | 53.30 miles (85.78 km) W | Altus/Quartz Mountain Regional Airport (AXS) | Altus, Oklahoma, United States | |
| 9 | 54.76 miles (88.12 km) S | Kickapoo Downtown Airport (KIP) | Wichita Falls, Texas, United States | |
| 10 | 65.69 miles (105.71 km) NW | Clinton-Sherman Industrial Airpark (CSM) | Clinton, Oklahoma, United States | |
| 11 | 66.85 miles (107.58 km) NE | University of Oklahoma Max Westheimer Airport (OUN) | Norman, Oklahoma, United States | |
| 12 | 68.33 miles (109.96 km) NNW | Clinton Regional Airport (CLK) | Clinton, Oklahoma, United States | |
| 13 | 68.51 miles (110.26 km) NE | Will Rogers World Airport (OKC) | Oklahoma City, Oklahoma, United States | |
| 14 | 74.55 miles (119.97 km) NE | Wiley Post Airport (PWA) | Oklahoma City, Oklahoma, United States | |
| 15 | 78.07 miles (125.64 km) NE | Tinker Air Force Base (TIK) | Oklahoma City, Oklahoma, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,920.33 miles (17,574.52 km) SE | Sir Gaëtan Duval Airport (RRG) | Rodrigues Island, Mauritius | |
| 2 | 10,680.39 miles (17,188.37 km) ESE | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 3 | 10,614.31 miles (17,082.03 km) SW | Cocos (Keeling) Island Airport (CCK) | Cocos Islands, Australia | |
| 4 | 10,601.93 miles (17,062.12 km) ESE | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 5 | 10,589.08 miles (17,041.43 km) ESE | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 6 | 10,532.55 miles (16,950.46 km) W | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 7 | 10,512.35 miles (16,917.95 km) W | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 8 | 10,492.35 miles (16,885.76 km) W | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 9 | 10,478.49 miles (16,863.45 km) W | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 10 | 10,478.05 miles (16,862.75 km) W | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 11 | 10,472.77 miles (16,854.25 km) W | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 12 | 10,460.30 miles (16,834.17 km) W | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 13 | 10,458.62 miles (16,831.48 km) W | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 14 | 10,456.31 miles (16,827.76 km) W | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 15 | 10,452.67 miles (16,821.90 km) W | Perth Airport (PER) | Perth, Western Australia, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 16.28 miles (26.19 km) S | Chippewa County International Airport (CIU) | Sault Ste Marie, Michigan, United States | |
| 2 | 16.28 miles (26.19 km) S | Kincheloe Air Force Base (INR) | Sault Ste. Marie, Michigan, United States | |
| 3 | 43.27 miles (69.64 km) S | Mackinac Island Airport (MCD) | Mackinac Island, Michigan, United States | |
| 4 | 49.17 miles (79.13 km) SE | Drummond Island Airport (DRE) | Drummond Island, Michigan, United States | |
| 5 | 64.65 miles (104.04 km) SSW | Pellston Regional Airport of Emmet County (PLN) | Pellston, Michigan, United States | |
| 6 | 93.26 miles (150.08 km) E | Elliot Lake Municipal Airport (YEL) | Elliot Lake, Ontario, Canada | |
| 7 | 101.71 miles (163.68 km) ESE | Gore Bay-Manitoulin Airport (YZE) | Gore Bay, Ontario, Canada | |
| 8 | 102.13 miles (164.36 km) S | Gaylord Regional Airport (GLR) | Gaylord, Michigan, United States | |
| 9 | 103.21 miles (166.11 km) N | Wawa Airport (YXZ) | Wawa, Ontario, Canada | |
| 10 | 107.21 miles (172.54 km) NNE | Chapleau Airport (YLD) | Chapleau, Ontario, Canada | |
| 11 | 107.43 miles (172.89 km) SSE | Alpena County Regional Airport (APN) | Alpena, Michigan, United States | |
| 12 | 108.60 miles (174.77 km) SSW | Antrim County Airport (ACB) | Bellaire, Michigan, United States | |
| 13 | 131.13 miles (211.04 km) SSW | Cherry Capital Airport (TVC) | Traverse City, Michigan, United States | |
| 14 | 134.44 miles (216.36 km) ESE | Manitowaning/Manitoulin East Municipal Airport (YEM) | Manitowaning, Ontario, Canada | |
| 15 | 134.53 miles (216.50 km) WSW | Delta County Airport (ESC) | Escanaba, Michigan, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,093.19 miles (17,852.71 km) WSW | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 2 | 11,069.15 miles (17,814.02 km) WSW | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 3 | 11,067.63 miles (17,811.57 km) WSW | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 4 | 11,042.69 miles (17,771.45 km) WSW | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 5 | 11,029.75 miles (17,750.62 km) WSW | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 6 | 10,978.07 miles (17,667.44 km) WSW | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 7 | 10,977.89 miles (17,667.15 km) SW | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 8 | 10,969.44 miles (17,653.55 km) SW | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 9 | 10,957.96 miles (17,635.09 km) SW | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 10 | 10,904.93 miles (17,549.74 km) SW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 11 | 10,833.46 miles (17,434.73 km) SW | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 12 | 10,809.22 miles (17,395.71 km) SW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 13 | 10,799.63 miles (17,380.27 km) WSW | Esperance Airport (EPR) | Esperance, Australia | |
| 14 | 10,786.86 miles (17,359.73 km) SW | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 15 | 10,785.57 miles (17,357.65 km) SW | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |