Nonstop flight route between Fort Sill, Oklahoma, United States and Ulan-Ude, Republic of Buryatia, Russia:

About this route:

A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Baikal International Airport (UUD), Ulan-Ude, Republic of Buryatia, Russia would travel a Great Circle distance of 6,262 miles (or 10,077 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 Baikal International 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 Baikal International 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 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
• 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 field was named in honor of pioneer aviator 2d Lieutenant Henry Post.
• 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 Army will continue to operate and maintain a precision approach radar at Fort Sill's Henry Post Field for the foreseeable future.
• Henry Post Army Airfield (FSI) currently has only 1 runway.

Facts about Baikal International Airport (UUD):

• In addition to being known as "Baikal International Airport", another name for UUD is "Международный Аэропорт Байкал".
• The closest airport to Baikal International Airport (UUD) is International Airport Irkutsk (IKT), which is located 133 miles (215 kilometers) WNW of UUD.
• The furthest airport from Baikal International Airport (UUD) is Teniente Julio Gallardo Airfield (PNT), which is nearly antipodal to Baikal International Airport (meaning Baikal International Airport is almost on the exact opposite side of the Earth from Teniente Julio Gallardo Airfield), and is located 12,427 miles (20,000 kilometers) away in Puerto Natales, Chile.
• Baikal International Airport (UUD) has 3 runways.