Nonstop flight route between Fort Sill, Oklahoma, United States and Deline, Northwest Territories, Canada:
Departure Airport:
(34°38'58"N by 98°24'7"W)
Arrival Airport:
(65°12'39"N by 123°26'11"W)
Distance from FSI to YWJ:
2,351.69 miles (3,784.67 km)
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- About this route
- FSI Airport Information
- YWJ Airport Information
- Facts about FSI
- Facts about YWJ
- 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 YWJ
- List of Nearest Airports to YWJ
- Map of Furthest Airports from YWJ
- List of Furthest Airports from YWJ
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Déline Airport (YWJ), Deline, Northwest Territories, Canada would travel a Great Circle distance of 2,352 miles (or 3,785 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 Déline 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: | YWJ / CYWJ |
| Airport Name: | Déline Airport |
| Location: | Deline, Northwest Territories, Canada |
| GPS Coordinates: | 65°12'39"N by 123°26'11"W |
| Operator/Owner: | Government of the Northwest Territories |
| Airport Type: | Public |
| Elevation: | 703 feet (214 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from YWJ |
| More Information: | YWJ Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- 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 Army Airfield is a military use airport located at Fort Sill in Comanche County, Oklahoma, United States.
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
- 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.
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
- 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.
Facts about Déline Airport (YWJ):
- The closest airport to Déline Airport (YWJ) is Tulita Airport (ZFN), which is located 66 miles (105 kilometers) WSW of YWJ.
- Déline Airport (YWJ) currently has only 1 runway.
- Because of Déline Airport's relatively low elevation of 703 feet, planes can take off or land at Déline 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 Déline Airport (YWJ) is Port Elizabeth International Airport (PLZ), which is located 9,927 miles (15,975 kilometers) away in Port Elizabeth, South Africa.
| 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 | 65.54 miles (105.47 km) WSW | Tulita Airport (ZFN) | Tulita, Northwest Territories, Canada | |
| 2 | 97.38 miles (156.72 km) W | Norman Wells Airport (YVQ) | Norman Wells, Northwest Territories, Canada | |
| 3 | 138.28 miles (222.54 km) S | Wrigley Airport (YWY) | Wrigley, Northwest Territories, Canada | |
| 4 | 145.96 miles (234.89 km) NNW | Colville Lake/Tommy Kochon Airport (YCK) | Colville Lake, Northwest Territories, Canada | |
| 5 | 164.16 miles (264.18 km) WNW | Fort Good Hope Airport (YGH) | Fort Good Hope, Northwest Territories, Canada | |
| 6 | 196.21 miles (315.77 km) ESE | Gamèti/Rae Lakes Airport (YRA) | Gamèti (formerly Rae Lakes), Northwest Territories, Canada | |
| 7 | 235.13 miles (378.41 km) SE | Whatì Airport (YLE) | Lac La Martre, Northwest Territories, Canada | |
| 8 | 247.86 miles (398.89 km) SSE | Fort Simpson Airport (YFS) | Fort Simpson, Northwest Territories, Canada | |
| 9 | 287.20 miles (462.21 km) N | Paulatuk (Nora Aliqatchialuk Ruben) Airport (YPC) | Paulatuk, Northwest Territories, Canada | |
| 10 | 290.38 miles (467.32 km) NE | Kugluktuk Airport (YCO) | Kugluktuk, Nunavut, Canada | |
| 11 | 332.94 miles (535.81 km) ESE | Yellowknife Airport (YZF) | Yellowknife, Northwest Territories, Canada | |
| 12 | 343.78 miles (553.26 km) S | Fort Liard Airport (YJF) | Fort Liard, Northwest Territories, Canada | |
| 13 | 346.74 miles (558.02 km) NW | Inuvik (Mike Zubko) Airport (YEV) | Inuvik, Northwest Territories, Canada | |
| 14 | 350.87 miles (564.67 km) WNW | Fort McPherson Airport (ZFM) | Fort McPherson, Northwest Territories, Canada | |
| 15 | 354.96 miles (571.25 km) SW | Ross River Airport (XRR) | Ross River, Yukon, Canada | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 9,926.61 miles (15,975.29 km) SE | Port Elizabeth International Airport (PLZ) | Port Elizabeth, South Africa | |
| 2 | 9,924.87 miles (15,972.49 km) SE | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 3 | 9,909.91 miles (15,948.42 km) SE | East London Airport (ELS) | East London, South Africa | |
| 4 | 9,858.36 miles (15,865.46 km) SE | George Airport (GRJ) | George, South Africa | |
| 5 | 9,829.22 miles (15,818.56 km) SE | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 6 | 9,814.75 miles (15,795.27 km) SE | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 7 | 9,769.03 miles (15,721.69 km) SE | Cape Town International Airport (CPT) | Cape Town, South Africa | |
| 8 | 9,746.10 miles (15,684.79 km) SE | King Shaka International (DUR) | Durban, KwaZulu-Natal, South Africa | |
| 9 | 9,735.72 miles (15,668.08 km) SE | Pietermaritzburg Airport (PZB) | Pietermaritzburg, South Africa | |
| 10 | 9,720.29 miles (15,643.25 km) SE | Lebakeng Airport (LEF) | Lebakeng, Lesotho | |
| 11 | 9,705.85 miles (15,620.01 km) SE | Lesobeng Airport (LES) | Lesobeng, Lesotho | |
| 12 | 9,705.71 miles (15,619.78 km) SE | Semonkong Airport (SOK) | Semonkong, Lesotho | |
| 13 | 9,704.60 miles (15,618.00 km) SE | Richards Bay Airport (RCB) | Richards Bay, KwaZulu-Natal, South Africa | |
| 14 | 9,687.89 miles (15,591.11 km) SE | Mokhotlong Airport (MKH) | Mokhotlong, Lesotho | |
| 15 | 9,687.70 miles (15,590.81 km) SE | Mafeteng Airport (MFC) | Mafeteng, Lesotho | |