Nonstop flight route between Fort Sill, Oklahoma, United States and Bayankhongor, Mongolia:

About this route:

A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Bayankhongor Airport (BYN), Bayankhongor, Mongolia would travel a Great Circle distance of 6,727 miles (or 10,826 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 Bayankhongor 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 Bayankhongor 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):

• 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.
• 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.
• The first Army aviation at Fort Sill began on 26 July 1915 when eight Curtiss JN-3 airplanes of the 1st Aero Squadron arrived from Rockwell Field, California.
• Henry Post AAF has one runway designated 17/35 with a concrete surface measuring 5,001 by 200 feet.
• Henry Post Army Airfield (FSI) currently has only 1 runway.
• 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 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 Bayankhongor Airport (BYN):

• The closest airport to Bayankhongor Airport (BYN) is Arvaykheer Airport (AVK), which is located 101 miles (162 kilometers) E of BYN.
• Bayankhongor Airport handled 2,192 passengers last year.
• The furthest airport from Bayankhongor Airport (BYN) is Cochrane Airfield (LGR), which is nearly antipodal to Bayankhongor Airport (meaning Bayankhongor Airport is almost on the exact opposite side of the Earth from Cochrane Airfield), and is located 12,110 miles (19,490 kilometers) away in Cochrane, Chile.
• Because of Bayankhongor Airport's high elevation of 6,085 feet, planes must typically fly at a faster airspeed in order to takeoff or land at BYN. Combined with a high temperature, this could make BYN a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
• Bayankhongor Airport (BYN) has 2 runways.