Nonstop flight route between Fort Sill, Oklahoma, United States and Yakima, Washington, United States:
Departure Airport:

Arrival Airport:

Distance from FSI to YKM:
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- About this route
- FSI Airport Information
- YKM Airport Information
- Facts about FSI
- Facts about YKM
- 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 YKM
- List of Nearest Airports to YKM
- Map of Furthest Airports from YKM
- List of Furthest Airports from YKM
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Yakima Air Terminal (YKM), Yakima, Washington, United States would travel a Great Circle distance of 1,416 miles (or 2,278 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 Yakima Air Terminal, 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: | YKM / KYKM |
Airport Names: |
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Location: | Yakima, Washington, United States |
GPS Coordinates: | 46°34'5"N by 120°32'39"W |
Area Served: | Yakima, Washington |
Operator/Owner: | City of Yakima |
Airport Type: | Public |
Elevation: | 1099 feet (335 meters) |
# of Runways: | 2 |
View all routes: | Routes from YKM |
More Information: | YKM Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- Henry Post AAF has one runway designated 17/35 with a concrete surface measuring 5,001 by 200 feet.
- 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.
- 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.
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
- Henry Post Army Airfield is a military use airport located at Fort Sill in Comanche County, Oklahoma, United States.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
Facts about Yakima Air Terminal (YKM):
- The closest airport to Yakima Air Terminal (YKM) is Vagabond Army Heliport (closed to fixed-wing aircraft) (FCT), which is located only 8 miles (13 kilometers) NNE of YKM.
- Yakima Air Terminal is a public airport three miles south of Yakima, in Yakima County, Washington.
- Yakima Air Terminal (YKM) has 2 runways.
- In addition to being known as "Yakima Air Terminal", another name for YKM is "McAllister Field".
- Yakima Air Terminal covers 825 acres at an elevation of 1,099 feet above mean sea level.
- The furthest airport from Yakima Air Terminal (YKM) is Tôlanaro Airport (FTU), which is located 10,797 miles (17,377 kilometers) away in Tôlanaro, Madagascar.