Nonstop flight route between Heide, Schleswig-Holstein, Germany and Fort Sill, Oklahoma, United States:
Departure Airport:

Arrival Airport:

Distance from HEI to FSI:
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- About this route
- HEI Airport Information
- FSI Airport Information
- Facts about HEI
- Facts about FSI
- Map of Nearest Airports to HEI
- List of Nearest Airports to HEI
- Map of Furthest Airports from HEI
- List of Furthest Airports from HEI
- 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 Heide-Büsum Airport (HEI), Heide, Schleswig-Holstein, Germany and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 4,939 miles (or 7,948 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 Heide-Büsum Airport and Henry Post Army Airfield, 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 Heide-Büsum Airport and Henry Post Army Airfield. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | HEI / EDXB |
Airport Names: |
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Location: | Heide, Schleswig-Holstein, Germany |
GPS Coordinates: | 54°9'12"N by 8°53'54"E |
Area Served: | Heide, Germany |
Operator/Owner: | Flugplatz Heide-Büsum GmbH |
Airport Type: | Public |
Elevation: | 7 feet (2 meters) |
# of Runways: | 1 |
View all routes: | Routes from HEI |
More Information: | HEI 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 |
Elevation: | 1189 feet (362 meters) |
# of Runways: | 1 |
View all routes: | Routes from FSI |
More Information: | FSI Maps & Info |
Facts about Heide-Büsum Airport (HEI):
- Because of Heide-Büsum Airport's relatively low elevation of 7 feet, planes can take off or land at Heide-Büsum 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.
- The furthest airport from Heide-Büsum Airport (HEI) is Chatham Islands (CHT), which is located 11,683 miles (18,801 kilometers) away in Waitangi, Chatham Islands, New Zealand.
- The closest airport to Heide-Büsum Airport (HEI) is Nordholz Naval Airbase (FCN), which is located 28 miles (46 kilometers) SSW of HEI.
- Heide-Büsum Airport (HEI) currently has only 1 runway.
- In addition to being known as "Heide-Büsum Airport", another name for HEI is "Flugplatz Heide-Büsum".
Facts about Henry Post Army Airfield (FSI):
- Fort Sill has embarked on a new plan to support the museum in providing a more dynamic learning experience for the 200,000 military and civilian personnel who visit each year.
- With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
- 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.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- 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.