Nonstop flight route between Barter Island, Alaska, United States and Soalala, Madagascar:

About this route:

A direct, nonstop flight between Barter Island LRRS Airport (BTI), Barter Island, Alaska, United States and Soalala Airport (DWB), Soalala, Madagascar would travel a Great Circle distance of 8,683 miles (or 13,974 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 Barter Island LRRS Airport and Soalala 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 Barter Island LRRS Airport and Soalala 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 Barter Island LRRS Airport (BTI):

• Each of the sites was staffed by civilian contract workers who had signed 18-month contracts, although they were visited by Air Force military personnel frequently.
• Barter Island controlled nine manned stations, four of them being classified as "auxiliary" sites and five "intermediate" stations.
• With the signing of the North American Air Defence Modernization agreement at the "Shamrock Summit" between Prime Minister Mulroney and President Reagan in Quebec City on 18 March 1985, the DEW Line began its eventual upgrading and transition becoming the North Warning System of today.
• In 1998 Pacific Air Forces initiated "Operation Clean Sweep", in which abandoned Cold War stations in Alaska were remediated and the land restored to its previous state.
• The furthest airport from Barter Island LRRS Airport (BTI) is Teniente Rodolfo Marsh Airport (TNM), which is located 10,003 miles (16,099 kilometers) away in Villa Las Estrellas, Antarctica.
• In addition to being known as "Barter Island LRRS Airport", another name for BTI is "Barter Island LRRS BAR-MAIN".
• The closest airport to Barter Island LRRS Airport (BTI) is Deadhorse Airport (SCC), which is located 115 miles (184 kilometers) W of BTI.
• Barter Island LRRS Airport (BTI) currently has only 1 runway.
• Because of Barter Island LRRS Airport's relatively low elevation of 2 feet, planes can take off or land at Barter Island LRRS Airport 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.

Facts about Soalala Airport (DWB):

• The closest airport to Soalala Airport (DWB) is Amborovy Airport (MJN), which is located 71 miles (115 kilometers) ENE of DWB.
• Because of Soalala Airport's relatively low elevation of 0 feet, planes can take off or land at Soalala Airport 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.
• The furthest airport from Soalala Airport (DWB) is Hilo International Airport (ITO), which is located 11,072 miles (17,819 kilometers) away in Hilo, Hawaii, United States.