Nonstop flight route between Ubon Ratchathani, Thailand and Fort Sill, Oklahoma, United States:

About this route:

A direct, nonstop flight between Ubon Ratchathani Airport ท่าอากาศยานอุบลราชธานี (UBP), Ubon Ratchathani, Thailand and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 8,666 miles (or 13,946 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 Ubon Ratchathani Airport ท่าอากาศยานอุบลราชธานี 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 Ubon Ratchathani Airport ท่าอากาศยานอุบลราชธานี 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 Ubon Ratchathani Airport ท่าอากาศยานอุบลราชธานี (UBP):

• As well as being a commercial facility, Ubon Ratchathani Airport is also an active Royal Thai Air Force base, the home of 2nd Air Division/21st Wing Air Combat Command.
• Because of Ubon Ratchathani Airport ท่าอากาศยานอุบลราชธานี's relatively low elevation of 406 feet, planes can take off or land at Ubon Ratchathani Airport ท่าอากาศยานอุบลราชธานี 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.
• Ubon Ratchathani Airport ท่าอากาศยานอุบลราชธานี (UBP) currently has only 1 runway.
• The closest airport to Ubon Ratchathani Airport ท่าอากาศยานอุบลราชธานี (UBP) is Savannakhet Airport (ZVK), which is located 90 miles (146 kilometers) N of UBP.
• The furthest airport from Ubon Ratchathani Airport ท่าอากาศยานอุบลราชธานี (UBP) is Maria Reiche Neuman Airport (NZC), which is nearly antipodal to Ubon Ratchathani Airport ท่าอากาศยานอุบลราชธานี (meaning Ubon Ratchathani Airport ท่าอากาศยานอุบลราชธานี is almost on the exact opposite side of the Earth from Maria Reiche Neuman Airport), and is located 12,407 miles (19,967 kilometers) away in Nazca, Ica Region, Peru.

Facts about Henry Post Army Airfield (FSI):

• With the end of World War I, in October 1919 Post Field was deactivated as an active duty airfield in accordance with sharply reduced military budgets, and a small caretaker unit was assigned to the facility for administrative reasons to support the balloon school/company.
• 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.
• 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 Army Airfield (FSI) currently has only 1 runway.
• 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
• Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
• The Army will continue to operate and maintain a precision approach radar at Fort Sill's Henry Post Field for the foreseeable future.