Nonstop flight route between Mae Hong Son, Thailand and Fort Sill, Oklahoma, United States:
Departure Airport:

Arrival Airport:

Distance from HGN to FSI:
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- About this route
- HGN Airport Information
- FSI Airport Information
- Facts about HGN
- Facts about FSI
- Map of Nearest Airports to HGN
- List of Nearest Airports to HGN
- Map of Furthest Airports from HGN
- List of Furthest Airports from HGN
- 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 Mae Hong Son Airport (HGN), Mae Hong Son, Thailand and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 8,557 miles (or 13,771 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 Mae Hong Son 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 Mae Hong Son 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: | HGN / VTCH |
Airport Names: |
|
Location: | Mae Hong Son, Thailand |
GPS Coordinates: | 19°18'3"N by 97°58'28"E |
Airport Type: | Public |
View all routes: | Routes from HGN |
More Information: | HGN 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 Mae Hong Son Airport (HGN):
- The furthest airport from Mae Hong Son Airport (HGN) is Capitán FAP Renán Elías Olivera International Airport (PIO), which is located 11,894 miles (19,141 kilometers) away in Pisco, Peru.
- In addition to being known as "Mae Hong Son Airport", another name for HGN is "ท่าอากาศยานแม่ฮ่องสอน".
- The closest airport to Mae Hong Son Airport (HGN) is Pai Airport (PYY), which is located 30 miles (49 kilometers) E of HGN.
Facts about Henry Post Army Airfield (FSI):
- The Fort Sill Army Radar Approach Control is the Army's Second busiest Air Traffic Control Facility, providing Radar Approach Control service to Henry Post Army Air Field, Lawton/Fort Sill Regional Airport, Duncan/Haliburton Airport and many smaller airports in the area.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- 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.
- 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 is a military use airport located at Fort Sill in Comanche County, Oklahoma, United States.
- 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.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
- Post Field served as a base for flight training for the Air Service.