Nonstop flight route between Christmas Island, Australia and Fort Sill, Oklahoma, United States:

About this route:

A direct, nonstop flight between Christmas Island Airport (XCH), Christmas Island, Australia and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 10,178 miles (or 16,381 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 Christmas Island 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 Christmas Island 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:

Arrival Airport Information:

Facts about Christmas Island Airport (XCH):

• Traffic to and from the airport varies greatly.
• Although located on Australian territory, the airport is classified as a Category 4 international airport for all arrivals, including those from Australia.
• Christmas Island Airport (XCH) currently has only 1 runway.
• Because of Christmas Island Airport's relatively low elevation of 916 feet, planes can take off or land at Christmas Island 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 Christmas Island Airport (XCH) is Ernesto Cortissoz International Airport (BAQ), which is nearly antipodal to Christmas Island Airport (meaning Christmas Island Airport is almost on the exact opposite side of the Earth from Ernesto Cortissoz International Airport), and is located 12,393 miles (19,944 kilometers) away in Barranquilla, Colombia.
• Christmas Island Airport handled 27,286 passengers last year.
• The closest airport to Christmas Island Airport (XCH) is Cibeureum Airfield (TSY), which is located 276 miles (445 kilometers) NE of XCH.

Facts about Henry Post Army Airfield (FSI):

• Henry Post Army Airfield (FSI) currently has only 1 runway.
• Air Service/Corps units assigned to Post Field between 1919 and 1941
• Post Field served as a base for flight training for the Air Service.
• 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 Army will continue to operate and maintain a precision approach radar at Fort Sill's Henry Post Field for the foreseeable future.
• 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.
• 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.