Nonstop flight route between Fort Sill, Oklahoma, United States and Watertown, South Dakota, United States:
Departure Airport:
(34°38'58"N by 98°24'7"W)
Arrival Airport:
(44°54'50"N by 97°9'16"W)
Distance from FSI to ATY:
712.25 miles (1,146.25 km)
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Jump to:
- About this route
- FSI Airport Information
- ATY Airport Information
- Facts about FSI
- Facts about ATY
- 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 ATY
- List of Nearest Airports to ATY
- Map of Furthest Airports from ATY
- List of Furthest Airports from ATY
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Watertown Regional Airport (ATY), Watertown, South Dakota, United States would travel a Great Circle distance of 712 miles (or 1,146 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 Watertown Regional 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: | ATY / KATY |
| Airport Names: |
|
| Location: | Watertown, South Dakota, United States |
| GPS Coordinates: | 44°54'50"N by 97°9'16"W |
| Area Served: | Watertown, South Dakota |
| Operator/Owner: | City of Watertown |
| Airport Type: | Public |
| Elevation: | 1749 feet (533 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from ATY |
| More Information: | ATY 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.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
- The first Army aviation at Fort Sill began on 26 July 1915 when eight Curtiss JN-3 airplanes of the 1st Aero Squadron arrived from Rockwell Field, California.
- Post Field served as a base for flight training for the Air Service.
- Fort Sill has embarked on a new plan to support the museum in providing a more dynamic learning experience for the 200,000 military and civilian personnel who visit each year.
- 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.
Facts about Watertown Regional Airport (ATY):
- In addition to being known as "Watertown Regional Airport", another name for ATY is "Watertown Army Airfield".
- Watertown Regional Airport (ATY) has 2 runways.
- The closest airport to Watertown Regional Airport (ATY) is Brookings Regional Airport (BKX), which is located 45 miles (73 kilometers) SSE of ATY.
- The furthest airport from Watertown Regional Airport (ATY) is Margaret River Airport (MGV), which is located 10,571 miles (17,013 kilometers) away in Margaret River, Western Australia, Australia.
- During World War II the airfield was used by the United States Army Air Forces.
| 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 | 45.25 miles (72.82 km) SSE | Brookings Regional Airport (BKX) | Brookings, South Dakota, United States | |
| 2 | 62.10 miles (99.95 km) S | Madison Municipal Airport (XMD) | Madison, South Dakota, United States | |
| 3 | 64.19 miles (103.30 km) SW | Huron Regional Airport (HON) | Huron, South Dakota, United States | |
| 4 | 68.49 miles (110.23 km) NNW | Britton Municipal Airport (TTO) | Britton, South Dakota, United States | |
| 5 | 70.67 miles (113.73 km) E | Montevideo-Chippewa County Airport (MVE) | Montevideo, Minnesota, United States | |
| 6 | 71.95 miles (115.79 km) WNW | Aberdeen Regional AirportAberdeen Army Airfield (ABR) | Aberdeen, South Dakota, United States | |
| 7 | 72.89 miles (117.30 km) ESE | Southwest Minnesota Regional Airport (MML) | Marshall, Minnesota, United States | |
| 8 | 78.81 miles (126.84 km) ENE | Benson Municipal Airport (BBB) | Benson, Minnesota, United States | |
| 9 | 90.01 miles (144.86 km) SSW | Mitchell Municipal Airport (MHE) | Mitchell, South Dakota, United States | |
| 10 | 94.27 miles (151.71 km) SSE | Sioux Falls Regional Airport (FSD) | Sioux Falls, South Dakota, United States | |
| 11 | 95.65 miles (153.93 km) NNE | Harry Stern Airport (WAH) | Wahpeton, North Dakota, United States | |
| 12 | 99.86 miles (160.71 km) E | Willmar Municipal Airport (ILL) | Willmar, Minnesota, United States | |
| 13 | 106.28 miles (171.04 km) NNE | Fergus Falls Municipal Airport (FFM) | Fergus Falls, Minnesota, United States | |
| 14 | 107.81 miles (173.50 km) NE | Alexandria Municipal Airport (AXN) | Alexandria, Minnesota, United States | |
| 15 | 131.23 miles (211.19 km) NW | Ashley Municipal Airport (ASY) | Ashley, North Dakota, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,571.29 miles (17,012.79 km) WSW | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 2 | 10,547.63 miles (16,974.72 km) WSW | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 3 | 10,534.17 miles (16,953.06 km) W | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 4 | 10,522.46 miles (16,934.21 km) WSW | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 5 | 10,478.53 miles (16,863.51 km) W | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 6 | 10,474.05 miles (16,856.31 km) WSW | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 7 | 10,461.67 miles (16,836.38 km) WSW | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 8 | 10,451.18 miles (16,819.51 km) WSW | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 9 | 10,440.10 miles (16,801.66 km) W | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 10 | 10,424.53 miles (16,776.61 km) WSW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 11 | 10,373.17 miles (16,693.96 km) WSW | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 12 | 10,371.59 miles (16,691.42 km) SE | Sir Gaëtan Duval Airport (RRG) | Rodrigues Island, Mauritius | |
| 13 | 10,342.11 miles (16,643.97 km) WSW | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 14 | 10,331.28 miles (16,626.54 km) WSW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 15 | 10,321.58 miles (16,610.93 km) WSW | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |