Nonstop flight route between Cheyenne, Wyoming, United States and Fort Sill, Oklahoma, United States:

About this route:

A direct, nonstop flight between Cheyenne Regional Airport (CYS), Cheyenne, Wyoming, United States and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 569 miles (or 916 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 relatively short distance between Cheyenne Regional Airport and Henry Post Army Airfield, the route shown on this map most likely still appears to be a straight line.

Departure Airport Information:

Arrival Airport Information:

Facts about Cheyenne Regional Airport (CYS):

• Cheyenne Regional Airport (CYS) has 2 runways.
• On April 11, 1996, 7 year old Jessica Dubroff, along with her father and flight instructor, died when her general aviation aircraft crashed after takeoff from Cheyenne Regional in a storm.
• The closest airport to Cheyenne Regional Airport (CYS) is Francis E. Warren Air Force Base (FEW), which is located only 3 miles (5 kilometers) WSW of CYS.
• The airport terminal contains plaques of the inductees into the Wyoming Aviation Hall of Fame.
• Cheyenne Regional Airport, also known as Jerry Olson Field, is a civil-military public airport one mile north of downtown Cheyenne, in Laramie County, Wyoming.
• Cheyenne ANGB also hosts an Army Aviation Support Facility of the Wyoming Army National Guard, operating UH-60 Blackhawk helicopters.
• During World War II the airport was a completion and modification center for B-17s.
• In addition to being known as "Cheyenne Regional Airport", another name for CYS is "Jerry Olson Field".
• Because of Cheyenne Regional Airport's high elevation of 6,159 feet, planes must typically fly at a faster airspeed in order to takeoff or land at CYS. Combined with a high temperature, this could make CYS a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
• The furthest airport from Cheyenne Regional Airport (CYS) is Sir Gaëtan Duval Airport (RRG), which is located 10,803 miles (17,385 kilometers) away in Rodrigues Island, Mauritius.

Facts about Henry Post Army Airfield (FSI):

• 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.
• Air Service/Corps units assigned to Post Field between 1919 and 1941
• There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
• Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
• With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
• 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 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.