Nonstop flight route between Palm Springs, California, United States and Fort Sill, Oklahoma, United States:
Departure Airport:

Arrival Airport:

Distance from TRM to FSI:
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- About this route
- TRM Airport Information
- FSI Airport Information
- Facts about TRM
- Facts about FSI
- Map of Nearest Airports to TRM
- List of Nearest Airports to TRM
- Map of Furthest Airports from TRM
- List of Furthest Airports from TRM
- 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 Jacqueline Cochran Regional Airport (TRM), Palm Springs, California, United States and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 1,017 miles (or 1,636 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 Jacqueline Cochran 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: | TRM / KTRM |
Airport Names: |
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Location: | Palm Springs, California, United States |
GPS Coordinates: | 33°37'36"N by 116°9'34"W |
Area Served: | Palm Springs, California |
Operator/Owner: | County of Riverside |
Airport Type: | Public |
# of Runways: | 2 |
View all routes: | Routes from TRM |
More Information: | TRM 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 |
# of Runways: | 1 |
View all routes: | Routes from FSI |
More Information: | FSI Maps & Info |
Facts about Jacqueline Cochran Regional Airport (TRM):
- The furthest airport from Jacqueline Cochran Regional Airport (TRM) is Sir Gaëtan Duval Airport (RRG), which is located 11,478 miles (18,472 kilometers) away in Rodrigues Island, Mauritius.
- Because of Jacqueline Cochran Regional Airport's relatively low elevation of -115 feet, planes can take off or land at Jacqueline Cochran Regional 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.
- Today, Thermal is a municipal airport serving general aviation.
- The airport is one mile west of the California State Route 86S expressway and six miles south of Interstate 10 in the lower Coachella Valley of central Riverside County, an area known as the Desert Resorts Region.
- The closest airport to Jacqueline Cochran Regional Airport (TRM) is Bermuda Dunes Airport (UDD), which is located only 11 miles (17 kilometers) NW of TRM.
- Jacqueline Cochran Regional Airport (TRM) has 2 runways.
- In addition to being known as "Jacqueline Cochran Regional Airport", another name for TRM is "(former Thermal Army Air Field)".
- Phased down in 1944 after most Army units had deployed overseas to combat areas, Thermal had been inactive for six months when the United States Navy requested permission to occupy the base on December 2, 1944 with the stipulation that the Army could reoccupy with 30-days notice.
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.
- 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 field was named in honor of pioneer aviator 2d Lieutenant Henry Post.
- 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.
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
- Post Field served as a base for flight training for the Air Service.