Nonstop flight route between Burley, Idaho, United States and Fort Sill, Oklahoma, United States:
Departure Airport:

Arrival Airport:

Distance from BYI to FSI:
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- About this route
- BYI Airport Information
- FSI Airport Information
- Facts about BYI
- Facts about FSI
- Map of Nearest Airports to BYI
- List of Nearest Airports to BYI
- Map of Furthest Airports from BYI
- List of Furthest Airports from BYI
- 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 Burley Municipal Airport (BYI), Burley, Idaho, United States and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 991 miles (or 1,594 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 Burley Municipal 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: | BYI / KBYI |
Airport Names: |
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Location: | Burley, Idaho, United States |
GPS Coordinates: | 42°32'32"N by 113°46'18"W |
Area Served: | Burley, Idaho |
Operator/Owner: | City of Burley |
Airport Type: | Public |
Elevation: | 4150 feet (1,265 meters) |
# of Runways: | 2 |
View all routes: | Routes from BYI |
More Information: | BYI 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 Burley Municipal Airport (BYI):
- Burley Municipal Airport (BYI) has 2 runways.
- In addition to being known as "Burley Municipal Airport", another name for BYI is "Burley J R Jack Simplot Airport".
- Because of Burley Municipal Airport's high elevation of 4,150 feet, planes must typically fly at a faster airspeed in order to takeoff or land at BYI. Combined with a high temperature, this could make BYI a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- The closest airport to Burley Municipal Airport (BYI) is Magic Valley Regional Airport (TWF), which is located 37 miles (59 kilometers) W of BYI.
- The furthest airport from Burley Municipal Airport (BYI) is Sir Gaëtan Duval Airport (RRG), which is located 10,854 miles (17,467 kilometers) away in Rodrigues Island, Mauritius.
Facts about Henry Post Army Airfield (FSI):
- 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 Army Airfield (FSI) currently has only 1 runway.
- The field was named in honor of pioneer aviator 2d Lieutenant Henry Post.
- 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.
- With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.