Nonstop flight route between Fort Sill, Oklahoma, United States and Rhineland-Palatinate, Germany:
Departure Airport:

Arrival Airport:

Distance from FSI to HHN:
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- About this route
- FSI Airport Information
- HHN Airport Information
- Facts about FSI
- Facts about HHN
- 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 HHN
- List of Nearest Airports to HHN
- Map of Furthest Airports from HHN
- List of Furthest Airports from HHN
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Frankfurt–Hahn Airport (HHN), Rhineland-Palatinate, Germany would travel a Great Circle distance of 5,044 miles (or 8,118 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 large distance between Henry Post Army Airfield and Frankfurt–Hahn Airport, the route shown on this map most likely appears curved because of this reason.
Try it at home! Get a globe and tightly lay a string between Henry Post Army Airfield and Frankfurt–Hahn Airport. You'll see that it will travel the same route of the red line on this map!
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: | HHN / EDFH |
Airport Names: |
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Location: | Rhineland-Palatinate, Germany |
GPS Coordinates: | 49°56'53"N by 7°15'51"E |
Area Served: | Rhineland-Palatinate |
Operator/Owner: | Flughafen Frankfurt-Hahn GmbH |
Airport Type: | Public |
Elevation: | 1649 feet (503 meters) |
# of Runways: | 1 |
View all routes: | Routes from HHN |
More Information: | HHN 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.
- Air Service/Corps units assigned to Post Field between 1919 and 1941
- Post Field served as a base for flight training for the Air Service.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
- 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 was the first home of all Army Aviation Training after World War II before moving to Fort Rucker, Alabama in 1954.
- 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.
Facts about Frankfurt–Hahn Airport (HHN):
- During the Cold War Frankfurt–Hahn Airport was a frontline NATO facility known as Hahn Air Base.
- The airport consists of one passenger and one cargo terminal.
- In addition to being known as "Frankfurt–Hahn Airport", another name for HHN is "Flughafen Frankfurt-Hahn".
- Hahn is fairly well reachable by road, the nearest Autobahn connections are approximately 40 kilometres to the west or east.
- The closest airport to Frankfurt–Hahn Airport (HHN) is Spangdahlem Air Base (SPM), which is located 25 miles (41 kilometers) W of HHN.
- The furthest airport from Frankfurt–Hahn Airport (HHN) is Chatham Islands (CHT), which is located 11,978 miles (19,276 kilometers) away in Waitangi, Chatham Islands, New Zealand.
- Frankfurt–Hahn Airport (HHN) currently has only 1 runway.