Nonstop flight route between Fort Sill, Oklahoma, United States and Katanning, Western Australia, Australia:

About this route:

A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Katanning Airport (KNI), Katanning, Western Australia, Australia would travel a Great Circle distance of 10,386 miles (or 16,714 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 Katanning 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 Katanning Airport. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

Arrival Airport Information:

Facts about Henry Post Army Airfield (FSI):

• Post Field served as a base for flight training for the Air Service.
• Henry Post Army Airfield (FSI) currently has only 1 runway.
• 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.
• Henry Post AAF has one runway designated 17/35 with a concrete surface measuring 5,001 by 200 feet.
• 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.
• The Army will continue to operate and maintain a precision approach radar at Fort Sill's Henry Post Field for the foreseeable future.

Facts about Katanning Airport (KNI):

• Because of Katanning Airport's relatively low elevation of 932 feet, planes can take off or land at Katanning 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 Katanning Airport (KNI) is L.F. Wade International Airport (BDA), which is nearly antipodal to Katanning Airport (meaning Katanning Airport is almost on the exact opposite side of the Earth from L.F. Wade International Airport), and is located 12,273 miles (19,752 kilometers) away in Ferry Reach (near Hamilton), Bermuda.
• The closest airport to Katanning Airport (KNI) is Albany Airport (ALH), which is located 86 miles (139 kilometers) S of KNI.
• Katanning Airport (KNI) has 2 runways.