Nonstop flight route between Fort Sill, Oklahoma, United States and Chillagoe, Queensland, Australia:
Departure Airport:

Arrival Airport:

Distance from FSI to LLG:
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- About this route
- FSI Airport Information
- LLG Airport Information
- Facts about FSI
- Facts about LLG
- 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 LLG
- List of Nearest Airports to LLG
- Map of Furthest Airports from LLG
- List of Furthest Airports from LLG
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Chillagoe Airport (LLG), Chillagoe, Queensland, Australia would travel a Great Circle distance of 8,408 miles (or 13,531 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 Chillagoe 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 Chillagoe 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: | LLG / YCGO |
Airport Name: | Chillagoe Airport |
Location: | Chillagoe, Queensland, Australia |
GPS Coordinates: | 17°8'34"S by 144°31'44"E |
Operator/Owner: | Tablelands Regional Council |
Airport Type: | Public |
Elevation: | 1123 feet (342 meters) |
# of Runways: | 1 |
View all routes: | Routes from LLG |
More Information: | LLG Maps & Info |
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.
- 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.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- Post Field served as a base for flight training for the Air Service.
- 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.
- 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 Chillagoe Airport (LLG):
- The closest airport to Chillagoe Airport (LLG) is Mareeba Airfield (MRG), which is located 59 miles (95 kilometers) E of LLG.
- The furthest airport from Chillagoe Airport (LLG) is Agostinho Neto Airport (NTO), which is located 11,752 miles (18,912 kilometers) away in Ponta do Sol, Santo Antão, Cape Verde.
- Chillagoe Airport (LLG) currently has only 1 runway.