Nonstop flight route between Fort Sill, Oklahoma, United States and Pendleton, Oregon, United States:
Departure Airport:

Arrival Airport:

Distance from FSI to PDT:
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- About this route
- FSI Airport Information
- PDT Airport Information
- Facts about FSI
- Facts about PDT
- 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 PDT
- List of Nearest Airports to PDT
- Map of Furthest Airports from PDT
- List of Furthest Airports from PDT
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Eastern Oregon Regional Airport (PDT), Pendleton, Oregon, United States would travel a Great Circle distance of 1,315 miles (or 2,117 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 Eastern Oregon 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: | PDT / KPDT |
Airport Names: |
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Location: | Pendleton, Oregon, United States |
GPS Coordinates: | 45°41'42"N by 118°50'29"W |
Area Served: | Pendleton, Oregon, United States |
Operator/Owner: | City of Pendleton |
Airport Type: | Public |
Elevation: | 1497 feet (456 meters) |
# of Runways: | 3 |
View all routes: | Routes from PDT |
More Information: | PDT Maps & Info |
Facts about Henry Post Army Airfield (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.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
- 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.
- With the end of World War I, in October 1919 Post Field was deactivated as an active duty airfield in accordance with sharply reduced military budgets, and a small caretaker unit was assigned to the facility for administrative reasons to support the balloon school/company.
- 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.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
Facts about Eastern Oregon Regional Airport (PDT):
- The closest airport to Eastern Oregon Regional Airport (PDT) is Hermiston Municipal Airport (HES), which is located 22 miles (36 kilometers) WNW of PDT.
- Eastern Oregon Regional Airport (PDT) has 3 runways.
- In addition to being known as "Eastern Oregon Regional Airport", another name for PDT is "Pendleton Army Airfield".
- The furthest airport from Eastern Oregon Regional Airport (PDT) is Tôlanaro Airport (FTU), which is located 10,806 miles (17,391 kilometers) away in Tôlanaro, Madagascar.
- Eastern Oregon Regional Airport covers 2,273 acres at an elevation of 1,497 feet above mean sea level.