Nonstop flight route between Sioux Falls, South Dakota, United States and Fort Sill, Oklahoma, United States:
Departure Airport:

Arrival Airport:

Distance from FSD to FSI:
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- About this route
- FSD Airport Information
- FSI Airport Information
- Facts about FSD
- Facts about FSI
- Map of Nearest Airports to FSD
- List of Nearest Airports to FSD
- Map of Furthest Airports from FSD
- List of Furthest Airports from FSD
- Map of Nearest Airports to FSI
- List of Nearest Airports to FSI
- Map of Furthest Airports from FSI
- List of Furthest Airports from FSI
About this route:
A direct, nonstop flight between Sioux Falls Regional Airport (FSD), Sioux Falls, South Dakota, United States and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 624 miles (or 1,003 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 Sioux Falls Regional Airport and Henry Post Army Airfield, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | FSD / KFSD |
Airport Names: |
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Location: | Sioux Falls, South Dakota, United States |
GPS Coordinates: | 43°34'54"N by 96°44'30"W |
Area Served: | Sioux Falls, South Dakota |
Operator/Owner: | City of Sioux Falls |
Airport Type: | Public |
Elevation: | 1430 feet (436 meters) |
# of Runways: | 3 |
View all routes: | Routes from FSD |
More Information: | FSD Maps & Info |
Arrival 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 |
Facts about Sioux Falls Regional Airport (FSD):
- On December 20, 1983, Ozark Airlines Flight 650 struck a snow plow while landing, killing the driver.
- The furthest airport from Sioux Falls Regional Airport (FSD) is Margaret River Airport (MGV), which is located 10,610 miles (17,075 kilometers) away in Margaret River, Western Australia, Australia.
- In addition to being known as "Sioux Falls Regional Airport", another name for FSD is "Joe Foss Field".
- Sioux Falls Regional Airport was originally the Sioux Falls Army Air Base constructed during World War II and closed permanently in the mid-1960s.
- Sioux Falls Regional Airport (FSD) has 3 runways.
- Joe Foss Field covers an area of 1,570 acres at an elevation of 1,430 feet above mean sea level.
- The closest airport to Sioux Falls Regional Airport (FSD) is Madison Municipal Airport (XMD), which is located 35 miles (56 kilometers) NNW of FSD.
Facts about Henry Post Army Airfield (FSI):
- Henry Post Army Airfield was the first home of all Army Aviation Training after World War II before moving to Fort Rucker, Alabama in 1954.
- Henry Post Army Airfield is a military use airport located at Fort Sill in Comanche County, Oklahoma, United States.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
- 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.
- 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.
- The Army will continue to operate and maintain a precision approach radar at Fort Sill's Henry Post Field for the foreseeable future.
- Air Service/Corps units assigned to Post Field between 1919 and 1941
- 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 AAF has one runway designated 17/35 with a concrete surface measuring 5,001 by 200 feet.
- 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 (FSI) currently has only 1 runway.