Nonstop flight route between Fort Sill, Oklahoma, United States and Austin, Texas, United States:
Departure Airport:

Arrival Airport:

Distance from FSI to AUS:
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- About this route
- FSI Airport Information
- AUS Airport Information
- Facts about FSI
- Facts about AUS
- 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 AUS
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- List of Furthest Airports from AUS
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Austin–Bergstrom International Airport (AUS), Austin, Texas, United States would travel a Great Circle distance of 311 miles (or 500 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 Austin–Bergstrom International 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: | AUS / KAUS |
Airport Name: | Austin–Bergstrom International Airport |
Location: | Austin, Texas, United States |
GPS Coordinates: | 30°11'39"N by 97°40'12"W |
Area Served: | Greater Austin |
Operator/Owner: | City of Austin |
Airport Type: | Public |
Elevation: | 542 feet (165 meters) |
# of Runways: | 2 |
View all routes: | Routes from AUS |
More Information: | AUS Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- Air Service/Corps units assigned to Post Field between 1919 and 1941
- 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.
- 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.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- 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 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.
Facts about Austin–Bergstrom International Airport (AUS):
- Austin–Bergstrom International Airport opened to the public on May 23, 1999 with a 12,250 feet runway, among the nation's longest commercial runways.
- The city began considering options for a new airport as early as 1971, when the Federal Aviation Administration proposed that Austin and San Antonio build a joint regional airport.
- The closest airport to Austin–Bergstrom International Airport (AUS) is Austin Executive Airport (EDC), which is located only 15 miles (24 kilometers) NNE of AUS.
- Currently Southwest Airlines is the airline flying with the most passengers out of ABIA.
- A consolidated rental car facility is under construction that will move counter, pick up, and drop off facilities to a new 900 space structure adjacent to the existing parking garage, allowing currently utilized spaces to be converted to additional close-in short term parking.
- Because of Austin–Bergstrom International Airport's relatively low elevation of 542 feet, planes can take off or land at Austin–Bergstrom International 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.
- Austin–Bergstrom International Airport (AUS) has 2 runways.
- The furthest airport from Austin–Bergstrom International Airport (AUS) is Sir Gaëtan Duval Airport (RRG), which is located 11,050 miles (17,783 kilometers) away in Rodrigues Island, Mauritius.
- Austin–Bergstrom International Airport handled 10,017,958 passengers last year.
- On the early stages of exploring options for a new airport, the city submitted a proposal to the United States Air Force for joint use of Bergstrom AFB in 1976.