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

Arrival Airport:

Distance from FSI to PIH:
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- About this route
- FSI Airport Information
- PIH Airport Information
- Facts about FSI
- Facts about PIH
- 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 PIH
- List of Nearest Airports to PIH
- Map of Furthest Airports from PIH
- List of Furthest Airports from PIH
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Pocatello Regional Airport (PIH), Pocatello, Idaho, United States would travel a Great Circle distance of 952 miles (or 1,532 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 Pocatello 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: | PIH / KPIH |
Airport Names: |
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Location: | Pocatello, Idaho, United States |
GPS Coordinates: | 42°54'34"N by 112°35'44"W |
Area Served: | Pocatello, Idaho |
Operator/Owner: | City of Pocatello |
Airport Type: | Public |
Elevation: | 4452 feet (1,357 meters) |
# of Runways: | 2 |
View all routes: | Routes from PIH |
More Information: | PIH Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- 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.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- 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.
- 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 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 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 Pocatello Regional Airport (PIH):
- In addition to being known as "Pocatello Regional Airport", another name for PIH is "(formerly Pocatello Army Airfield)".
- In 1949, it became surplus property and was obtained by the city of Pocatello to build a commercial airport.
- The closest airport to Pocatello Regional Airport (PIH) is Idaho Falls Regional Airport (IDA), which is located 49 miles (79 kilometers) NNE of PIH.
- Pocatello Regional Airport (PIH) has 2 runways.
- The furthest airport from Pocatello Regional Airport (PIH) is Sir Gaëtan Duval Airport (RRG), which is located 10,820 miles (17,413 kilometers) away in Rodrigues Island, Mauritius.
- Pocatello Regional Airport covers an area of 3,374 acres at an elevation of 4,452 feet above mean sea level.
- Because of Pocatello Regional Airport's high elevation of 4,452 feet, planes must typically fly at a faster airspeed in order to takeoff or land at PIH. Combined with a high temperature, this could make PIH a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- In the mid 1970s, Hughes Airwest served the airport with Douglas DC-9-10 and DC-9-30 jetliners, according to the February 1, 1976 edition of the North American Official Airline Guide.