Nonstop flight route between Fort Sill, Oklahoma, United States and Drayton Valley, Alberta, Canada:
Departure Airport:
(34°38'58"N by 98°24'7"W)
Arrival Airport:
(53°15'56"N by 114°57'37"W)
Distance from FSI to YDC:
1,519.09 miles (2,444.73 km)
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- About this route
- FSI Airport Information
- YDC Airport Information
- Facts about FSI
- Facts about YDC
- 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 YDC
- List of Nearest Airports to YDC
- Map of Furthest Airports from YDC
- List of Furthest Airports from YDC
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Drayton Valley Industrial Airport (YDC), Drayton Valley, Alberta, Canada would travel a Great Circle distance of 1,519 miles (or 2,445 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 Drayton Valley Industrial 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: | YDC / |
| Airport Names: |
|
| Location: | Drayton Valley, Alberta, Canada |
| GPS Coordinates: | 53°15'56"N by 114°57'37"W |
| Operator/Owner: | Town of Drayton Valley |
| Airport Type: | Public |
| Elevation: | 2776 feet (846 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from YDC |
| More Information: | YDC Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- 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.
- After returning from combat duty in France, a cadre of the 135th Aero Squadron ) was assigned to Post Field as an observation squadron, supplying aircraft for the United States Army Field Artillery School at Fort Sill and supported Army units at Fort Leavenworth, Kansas.
- 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.
- With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- The Fort Sill Army Radar Approach Control is the Army's Second busiest Air Traffic Control Facility, providing Radar Approach Control service to Henry Post Army Air Field, Lawton/Fort Sill Regional Airport, Duncan/Haliburton Airport and many smaller airports in the area.
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
Facts about Drayton Valley Industrial Airport (YDC):
- In addition to being known as "Drayton Valley Industrial Airport", another name for YDC is "CER3".
- The closest airport to Drayton Valley Industrial Airport (YDC) is Edmonton International Airport (YEG), which is located 57 miles (92 kilometers) E of YDC.
- The furthest airport from Drayton Valley Industrial Airport (YDC) is Tôlanaro Airport (FTU), which is located 10,273 miles (16,533 kilometers) away in Tôlanaro, Madagascar.
- Drayton Valley Industrial Airport (YDC) currently has only 1 runway.
| 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 | 57.11 miles (91.92 km) E | Edmonton International Airport (YEG) | Edmonton, Alberta, Canada | |
| 2 | 57.82 miles (93.05 km) S | Rocky Mountain House Airport (YRM) | Rocky Mountain House, Alberta, Canada | |
| 3 | 63.16 miles (101.64 km) W | High Prairie Airport (ZHP) | High Prairie, Alberta, Canada | |
| 4 | 65.62 miles (105.61 km) WNW | Edson Airport (YET) | Edson, Alberta, Canada | |
| 5 | 66.68 miles (107.31 km) ENE | CFB Edmonton (YED) | Edmonton, Alberta, Canada | |
| 6 | 69.45 miles (111.76 km) NNW | Whitecourt Airport (YZU) | Whitecourt, Alberta, Canada | |
| 7 | 87.15 miles (140.25 km) SSE | Red Deer Regional Airport (YQF) | Red Deer, Alberta, Canada | |
| 8 | 115.40 miles (185.72 km) W | Hinton/Jasper-Hinton Airport (YJP) | Hinton, Alberta, Canada | |
| 9 | 129.80 miles (208.90 km) W | Jasper Airport (YJA) | Jasper, Alberta, Canada | |
| 10 | 140.26 miles (225.73 km) N | Slave Lake Airport (YZH) | Slave Lake, Alberta, Canada | |
| 11 | 144.26 miles (232.16 km) S | Banff Airport (YBA) | Banff, Alberta, Canada | |
| 12 | 153.42 miles (246.91 km) SSE | Calgary International Airport (YYC) | Calgary, Alberta, Canada | |
| 13 | 155.13 miles (249.65 km) ENE | St. Paul Aerodrome (ZSP) | St. Paul, Alberta, Canada | |
| 14 | 157.90 miles (254.11 km) NE | Lac La Biche Airport (YLB) | Lac La Biche, Alberta, Canada | |
| 15 | 166.67 miles (268.23 km) WNW | Grande Cache Airport (YGC) | Grande Cache, Alberta, Canada | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,273.01 miles (16,532.77 km) SSE | Tôlanaro Airport (FTU) | Tôlanaro, Madagascar | |
| 2 | 10,199.39 miles (16,414.29 km) SE | Ampanihy Airport (AMP) | Ampanihy, Madagascar | |
| 3 | 10,171.79 miles (16,369.88 km) SSE | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 4 | 10,143.54 miles (16,324.40 km) SSE | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 5 | 10,138.73 miles (16,316.67 km) ESE | East London Airport (ELS) | East London, South Africa | |
| 6 | 10,134.60 miles (16,310.01 km) SSE | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 7 | 10,129.31 miles (16,301.51 km) ESE | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 8 | 10,119.86 miles (16,286.30 km) S | Sir Gaëtan Duval Airport (RRG) | Rodrigues Island, Mauritius | |
| 9 | 10,117.29 miles (16,282.16 km) ESE | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 10 | 10,101.82 miles (16,257.27 km) ESE | Port Elizabeth International Airport (PLZ) | Port Elizabeth, South Africa | |
| 11 | 10,092.65 miles (16,242.50 km) ESE | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 12 | 10,076.57 miles (16,216.63 km) ESE | King Shaka International (DUR) | Durban, KwaZulu-Natal, South Africa | |
| 13 | 10,062.25 miles (16,193.58 km) ESE | Richards Bay Airport (RCB) | Richards Bay, KwaZulu-Natal, South Africa | |
| 14 | 10,052.76 miles (16,178.31 km) ESE | Pietermaritzburg Airport (PZB) | Pietermaritzburg, South Africa | |
| 15 | 10,052.12 miles (16,177.27 km) SSE | Mananjary Airport (MNJ) | Mananjary, Madagascar | |