Nonstop flight route between Fort Sill, Oklahoma, United States and Hua Hin, Thailand:
Departure Airport:

Arrival Airport:

Distance from FSI to HHQ:
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- About this route
- FSI Airport Information
- HHQ Airport Information
- Facts about FSI
- Facts about HHQ
- 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 HHQ
- List of Nearest Airports to HHQ
- Map of Furthest Airports from HHQ
- List of Furthest Airports from HHQ
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Hua Hin Airport (HHQ), Hua Hin, Thailand would travel a Great Circle distance of 8,955 miles (or 14,412 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 Hua Hin 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 Hua Hin 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: | HHQ / VTPH |
Airport Names: |
|
Location: | Hua Hin, Thailand |
GPS Coordinates: | 12°38'9"N by 99°57'5"E |
Area Served: | Hua Hin, Prachuap Khiri Khan, Thailand |
Operator/Owner: | Department of Civil Aviation |
Airport Type: | Public |
Elevation: | 62 feet (19 meters) |
# of Runways: | 1 |
View all routes: | Routes from HHQ |
More Information: | HHQ Maps & Info |
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 field was named in honor of pioneer aviator 2d Lieutenant Henry Post.
- 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 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.
- 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.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- 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 Hua Hin Airport (HHQ):
- Because of Hua Hin Airport's relatively low elevation of 62 feet, planes can take off or land at Hua Hin 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 Hua Hin Airport (HHQ) is Jorge Chávez International Airport (LIM), which is nearly antipodal to Hua Hin Airport (meaning Hua Hin Airport is almost on the exact opposite side of the Earth from Jorge Chávez International Airport), and is located 12,234 miles (19,689 kilometers) away in Callao (near Lima), Peru.
- Hua Hin Airport (HHQ) currently has only 1 runway.
- In addition to being known as "Hua Hin Airport", another name for HHQ is "ท่าอากาศยานหัวหิน".
- The closest airport to Hua Hin Airport (HHQ) is U-Tapao-Rayong-Pattaya International Airport (UTP), which is located 71 miles (114 kilometers) E of HHQ.