Nonstop flight route between Fort Sill, Oklahoma, United States and Hat Yai, Songkhla Province, Thailand:
Departure Airport:

Arrival Airport:

Distance from FSI to HDY:
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- About this route
- FSI Airport Information
- HDY Airport Information
- Facts about FSI
- Facts about HDY
- 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 HDY
- List of Nearest Airports to HDY
- Map of Furthest Airports from HDY
- List of Furthest Airports from HDY
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Hat Yai International Airport (HDY), Hat Yai, Songkhla Province, Thailand would travel a Great Circle distance of 9,313 miles (or 14,987 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 Hat Yai International 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 Hat Yai International 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: | HDY / VTSS |
Airport Names: |
|
Location: | Hat Yai, Songkhla Province, Thailand |
GPS Coordinates: | 6°55'59"N by 100°23'34"E |
Operator/Owner: | Airports of Thailand |
Airport Type: | Public |
Elevation: | 90 feet (27 meters) |
# of Runways: | 1 |
View all routes: | Routes from HDY |
More Information: | HDY Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
- 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 was the first home of all Army Aviation Training after World War II before moving to Fort Rucker, Alabama in 1954.
- 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 (FSI) currently has only 1 runway.
Facts about Hat Yai International Airport (HDY):
- In addition to being known as "Hat Yai International Airport", another name for HDY is "ท่าอากาศยานหาดใหญ่".
- The furthest airport from Hat Yai International Airport (HDY) is Cap. FAP José A. Quiñones González International Airport (CIX), which is nearly antipodal to Hat Yai International Airport (meaning Hat Yai International Airport is almost on the exact opposite side of the Earth from Cap. FAP José A. Quiñones González International Airport), and is located 12,419 miles (19,986 kilometers) away in Chiclayo, Peru.
- Because of Hat Yai International Airport's relatively low elevation of 90 feet, planes can take off or land at Hat Yai International 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 closest airport to Hat Yai International Airport (HDY) is Sultan Abdul Halim Airport (AOR), which is located 51 miles (82 kilometers) S of HDY.
- The runway can handle 30 flights per hour and its durability is rated at PCN 60/F/C/X/T.
- Hat Yai International Airport handled 2,465,370 passengers last year.
- Hat Yai International Airport (HDY) currently has only 1 runway.