Nonstop flight route between Fort Sill, Oklahoma, United States and Webequie, Ontario, Canada:
Departure Airport:
(34°38'58"N by 98°24'7"W)
Arrival Airport:
(52°57'33"N by 87°22'31"W)
Distance from FSI to YWP:
1,375.71 miles (2,213.99 km)
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- About this route
- FSI Airport Information
- YWP Airport Information
- Facts about FSI
- Facts about YWP
- 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 YWP
- List of Nearest Airports to YWP
- Map of Furthest Airports from YWP
- List of Furthest Airports from YWP
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Webequie Airport (YWP), Webequie, Ontario, Canada would travel a Great Circle distance of 1,376 miles (or 2,214 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 Webequie 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: | YWP / CYWP |
| Airport Name: | Webequie Airport |
| Location: | Webequie, Ontario, Canada |
| GPS Coordinates: | 52°57'33"N by 87°22'31"W |
| Operator/Owner: | Government of Ontario |
| Airport Type: | Public |
| Elevation: | 685 feet (209 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from YWP |
| More Information: | YWP Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- 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.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- 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.
- Henry Post AAF has one runway designated 17/35 with a concrete surface measuring 5,001 by 200 feet.
- 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.
- Post Field served as a base for flight training for the Air Service.
Facts about Webequie Airport (YWP):
- Webequie Airport (YWP) currently has only 1 runway.
- Because of Webequie Airport's relatively low elevation of 685 feet, planes can take off or land at Webequie 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.
- The furthest airport from Webequie Airport (YWP) is Margaret River Airport (MGV), which is located 10,720 miles (17,252 kilometers) away in Margaret River, Western Australia, Australia.
- The closest airport to Webequie Airport (YWP) is Lansdowne House Airport (YLH), which is located 58 miles (93 kilometers) SSW of YWP.
| 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 | 57.76 miles (92.96 km) SSW | Lansdowne House Airport (YLH) | Lansdowne House, Ontario, Canada | |
| 2 | 65.37 miles (105.20 km) NW | Kasabonika Airport (XKS) | Kasabonika First Nation, Ontario, Canada | |
| 3 | 99.15 miles (159.56 km) SSW | Fort Hope Airport (YFH) | Fort Hope, Ontario, Canada | |
| 4 | 103.22 miles (166.11 km) W | Kingfisher Lake Airport (KIF) | Kingfisher Lake, Ontario, Canada | |
| 5 | 109.34 miles (175.96 km) SE | Ogoki Post Airport (YOG) | Ogoki Post, Ontario, Canada | |
| 6 | 119.63 miles (192.53 km) WNW | Big Trout Lake Airport (YTL) | Big Trout Lake, Ontario, Canada | |
| 7 | 159.29 miles (256.35 km) SW | Pickle Lake Airport (YPL) | Pickle Lake, Ontario, Canada | |
| 8 | 160.64 miles (258.52 km) NNE | Peawanuck Airport (YPO) | Peawanuck, Ontario, Canada | |
| 9 | 163.88 miles (263.74 km) W | Round Lake (Weagamow Lake) Airport (ZRJ) | Round Lake, Ontario, Canada | |
| 10 | 165.50 miles (266.35 km) WNW | Bearskin Lake Airport (XBE) | Bearskin Lake, Ontario, Canada | |
| 11 | 184.59 miles (297.06 km) WNW | Muskrat Dam Airport (MSA) | Muskrat Dam, Ontario, Canada | |
| 12 | 194.02 miles (312.25 km) S | Nakina Airport (YQN) | Nakina, Ontario, Canada | |
| 13 | 195.80 miles (315.11 km) SSW | Armstrong Airport (YYW) | Armstrong, Thunder Bay District, Ontario, Canada | |
| 14 | 205.79 miles (331.19 km) E | Attawapiskat Airport (YAT) | Attawapiskat, Ontario, Canada | |
| 15 | 206.15 miles (331.77 km) WSW | Cat Lake Airport (YAC) | Cat Lake, Ontario, Canada | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,719.61 miles (17,251.50 km) SW | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 2 | 10,705.64 miles (17,229.01 km) SW | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 3 | 10,696.14 miles (17,213.72 km) SW | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 4 | 10,688.28 miles (17,201.07 km) SW | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 5 | 10,669.54 miles (17,170.91 km) SW | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 6 | 10,623.93 miles (17,097.51 km) SW | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 7 | 10,593.71 miles (17,048.87 km) SW | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 8 | 10,588.54 miles (17,040.56 km) SW | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 9 | 10,576.66 miles (17,021.44 km) SW | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 10 | 10,506.74 miles (16,908.91 km) SW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 11 | 10,479.61 miles (16,865.26 km) WSW | Esperance Airport (EPR) | Esperance, Australia | |
| 12 | 10,425.25 miles (16,777.77 km) SW | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 13 | 10,411.95 miles (16,756.37 km) SW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 14 | 10,382.54 miles (16,709.03 km) SW | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 15 | 10,369.71 miles (16,688.39 km) SW | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |