Nonstop flight route between Fort Sill, Oklahoma, United States and Chiayi, Taiwan:
Departure Airport:

Arrival Airport:

Distance from FSI to CYI:
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- About this route
- FSI Airport Information
- CYI Airport Information
- Facts about FSI
- Facts about CYI
- 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 CYI
- List of Nearest Airports to CYI
- Map of Furthest Airports from CYI
- List of Furthest Airports from CYI
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Chiayi Airport (Shueishang Airport) (CYI), Chiayi, Taiwan would travel a Great Circle distance of 7,684 miles (or 12,366 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 Chiayi Airport (Shueishang 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 Chiayi Airport (Shueishang 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: | CYI / RCKU |
Airport Names: |
|
Location: | Chiayi, Taiwan |
GPS Coordinates: | 23°27'15"N by 120°23'50"E |
Operator/Owner: | Civil Aeronautics Administration Ministry of National Defense |
Airport Type: | Public |
Elevation: | 82 feet (25 meters) |
# of Runways: | 2 |
View all routes: | Routes from CYI |
More Information: | CYI Maps & Info |
Facts about Henry Post Army Airfield (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.
- 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 field was named in honor of pioneer aviator 2d Lieutenant Henry Post.
- 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.
- 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.
Facts about Chiayi Airport (Shueishang Airport) (CYI):
- A number of US Air Force units have been stationed at Chiayi Air Base, including the 67th Fighter-Bomber Squadron from 27 January – 17 February 1955 and 1 July – 1 October 1955.
- The closest airport to Chiayi Airport (Shueishang Airport) (CYI) is Tainan Airport (TNN), which is located 37 miles (59 kilometers) SSW of CYI.
- The furthest airport from Chiayi Airport (Shueishang Airport) (CYI) is Dr. Luis María Argaña International Airport (ESG), which is nearly antipodal to Chiayi Airport (Shueishang Airport) (meaning Chiayi Airport (Shueishang Airport) is almost on the exact opposite side of the Earth from Dr. Luis María Argaña International Airport), and is located 12,320 miles (19,827 kilometers) away in Mariscal Estigarribia, Paraguay.
- Chiayi Airport (Shueishang Airport) (CYI) has 2 runways.
- Because of Chiayi Airport (Shueishang Airport)'s relatively low elevation of 82 feet, planes can take off or land at Chiayi Airport (Shueishang 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.
- In addition to being known as "Chiayi Airport (Shueishang Airport)", other names for CYI include "嘉義航空站水上機場" and "Jiāyì HángkōngzhànShuǐshàng Jīchǎng".