Nonstop flight route between Fort Sill, Oklahoma, United States and North Spirit Lake, Ontario, Canada:
Departure Airport:
(34°38'58"N by 98°24'7"W)
Arrival Airport:
(52°28'23"N by 92°58'15"W)
Distance from FSI to YNO:
1,260.26 miles (2,028.19 km)
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- About this route
- FSI Airport Information
- YNO Airport Information
- Facts about FSI
- Facts about YNO
- 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 YNO
- List of Nearest Airports to YNO
- Map of Furthest Airports from YNO
- List of Furthest Airports from YNO
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and North Spirit Lake Airport (YNO), North Spirit Lake, Ontario, Canada would travel a Great Circle distance of 1,260 miles (or 2,028 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 North Spirit Lake 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: | YNO / |
| Airport Names: |
|
| Location: | North Spirit Lake, Ontario, Canada |
| GPS Coordinates: | 52°28'23"N by 92°58'15"W |
| Operator/Owner: | Government of Ontario |
| Airport Type: | Public |
| Elevation: | 1082 feet (330 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from YNO |
| More Information: | YNO 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.
- 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.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
- Post Field served as a base for flight training for the Air Service.
- 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.
- 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.
Facts about North Spirit Lake Airport (YNO):
- North Spirit Lake Airport (YNO) currently has only 1 runway.
- The closest airport to North Spirit Lake Airport (YNO) is Keewaywin Airport (KEW), which is located 36 miles (58 kilometers) N of YNO.
- In addition to being known as "North Spirit Lake Airport", another name for YNO is "CKQ3".
- The furthest airport from North Spirit Lake Airport (YNO) is Margaret River Airport (MGV), which is located 10,551 miles (16,980 kilometers) away in Margaret River, Western Australia, Australia.
| 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 | 36.22 miles (58.28 km) N | Keewaywin Airport (KEW) | Keewaywin, Ontario, Canada | |
| 2 | 43.70 miles (70.34 km) NNW | Sandy Lake Airport (ZSJ) | Sandy Lake, Ontario, Canada | |
| 3 | 47.50 miles (76.44 km) WNW | Deer Lake Airport (YVZ) | Deer Lake, Ontario, Canada | |
| 4 | 59.71 miles (96.09 km) WSW | Poplar Hill Airport (YHP) | Poplar Hill, Ontario, Canada | |
| 5 | 62.01 miles (99.79 km) SW | Pikangikum Airport (YPM) | Pikangikum, Ontario, Canada | |
| 6 | 70.89 miles (114.09 km) SE | Cat Lake Airport (YAC) | Cat Lake, Ontario, Canada | |
| 7 | 76.66 miles (123.37 km) ENE | Round Lake (Weagamow Lake) Airport (ZRJ) | Round Lake, Ontario, Canada | |
| 8 | 83.68 miles (134.67 km) NE | Muskrat Dam Airport (MSA) | Muskrat Dam, Ontario, Canada | |
| 9 | 103.08 miles (165.88 km) NNE | Sachigo Lake Airport (ZPB) | Sachigo Lake, Ontario, Canada | |
| 10 | 103.31 miles (166.26 km) SSW | Red Lake Airport (YRL) | Red Lake, Ontario, Canada | |
| 11 | 109.58 miles (176.36 km) WSW | Little Grand Rapids Airport (ZGR) | Little Grand Rapids, Manitoba, Canada | |
| 12 | 118.31 miles (190.41 km) NW | Island Lake Airport (YIV) | Island Lake, Manitoba, Canada | |
| 13 | 119.53 miles (192.37 km) NNW | Red Sucker Lake Airport (YRS) | Red Sucker Lake, Manitoba, Canada | |
| 14 | 122.72 miles (197.50 km) NW | St. Theresa Point Airport (YST) | St. Theresa Point, Manitoba, Canada | |
| 15 | 130.75 miles (210.42 km) NE | Bearskin Lake Airport (XBE) | Bearskin Lake, Ontario, Canada | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,550.66 miles (16,979.59 km) WSW | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 2 | 10,530.95 miles (16,947.88 km) WSW | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 3 | 10,526.79 miles (16,941.18 km) WSW | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 4 | 10,504.53 miles (16,905.35 km) WSW | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 5 | 10,500.15 miles (16,898.32 km) WSW | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 6 | 10,445.27 miles (16,809.98 km) WSW | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 7 | 10,429.95 miles (16,785.33 km) WSW | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 8 | 10,422.94 miles (16,774.06 km) WSW | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 9 | 10,411.24 miles (16,755.23 km) WSW | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 10 | 10,351.15 miles (16,658.51 km) SW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 11 | 10,286.64 miles (16,554.70 km) WSW | Esperance Airport (EPR) | Esperance, Australia | |
| 12 | 10,276.30 miles (16,538.06 km) SW | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 13 | 10,255.55 miles (16,504.66 km) SW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 14 | 10,230.78 miles (16,464.80 km) SW | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 15 | 10,226.45 miles (16,457.83 km) SW | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |