Nonstop flight route between Fort Sill, Oklahoma, United States and Fort Hood / Killeen, Texas, United States:
Departure Airport:

Arrival Airport:

Distance from FSI to HLR:
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- About this route
- FSI Airport Information
- HLR Airport Information
- Facts about FSI
- Facts about HLR
- 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 HLR
- List of Nearest Airports to HLR
- Map of Furthest Airports from HLR
- List of Furthest Airports from HLR
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Hood Army Airfield (HLR), Fort Hood / Killeen, Texas, United States would travel a Great Circle distance of 246 miles (or 395 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 Hood Army Airfield, 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: | HLR / KHLR |
Airport Name: | Hood Army Airfield |
Location: | Fort Hood / Killeen, Texas, United States |
GPS Coordinates: | 31°8'24"N by 97°42'54"W |
Airport Type: | Military |
Elevation: | 924 feet (282 meters) |
View all routes: | Routes from HLR |
More Information: | HLR Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- 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.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
- 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.
- 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.
- 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 Hood Army Airfield (HLR):
- The closest airport to Hood Army Airfield (HLR) is Skylark Field (ILE), which is located only 4 miles (7 kilometers) SSE of HLR.
- Because of Hood Army Airfield's relatively low elevation of 924 feet, planes can take off or land at Hood Army Airfield 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.
- The furthest airport from Hood Army Airfield (HLR) is Sir Gaëtan Duval Airport (RRG), which is located 11,022 miles (17,738 kilometers) away in Rodrigues Island, Mauritius.