Nonstop flight route between Butte, Montana, United States and Impfondo, Republic of the Congo:

About this route:

A direct, nonstop flight between Bert Mooney Airport (BTM), Butte, Montana, United States and Impfondo Airport (ION), Impfondo, Republic of the Congo would travel a Great Circle distance of 7,986 miles (or 12,852 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 Bert Mooney Airport and Impfondo 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 Bert Mooney Airport and Impfondo 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 Bert Mooney Airport (BTM):

• Bert Mooney Airport (BTM) has 2 runways.
• The closest airport to Bert Mooney Airport (BTM) is Dillon Airport (DLN), which is located 48 miles (78 kilometers) S of BTM.
• On March 22, 2009 a Pilatus PC-12 flying in from Oroville, California crashed in Holy Cross Cemetery 500 feet from the airport, killing all 14 people on board.
• Bert Mooney Airport is a public airport three miles southeast of Butte, in Silver Bow County, Montana.
• Because of Bert Mooney Airport's high elevation of 5,550 feet, planes must typically fly at a faster airspeed in order to takeoff or land at BTM. Combined with a high temperature, this could make BTM a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
• The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a primary commercial service facility.Federal Aviation Administration records say the airport had 30,431 passenger boardings in calendar year 2008, 25,178 in 2009 and 25,433 in 2010.
• The airport name was changed in 1972 to honor Bert Mooney, an aviator from Butte who was the first to fly mail into Yellowstone National Park in 1935.
• The furthest airport from Bert Mooney Airport (BTM) is Sir Gaëtan Duval Airport (RRG), which is located 10,611 miles (17,077 kilometers) away in Rodrigues Island, Mauritius.

Facts about Impfondo Airport (ION):

• The closest airport to Impfondo Airport (ION) is Bétou Airport (BTB), which is located 106 miles (170 kilometers) NNE of ION.
• The furthest airport from Impfondo Airport (ION) is Cassidy International Airport (CXI), which is nearly antipodal to Impfondo Airport (meaning Impfondo Airport is almost on the exact opposite side of the Earth from Cassidy International Airport), and is located 12,034 miles (19,367 kilometers) away in Christmas Island, Kiribati.