Nonstop flight route between Bonthe, Sierra Leone and Falmouth, Massachusetts, United States:

About this route:

A direct, nonstop flight between Sherbro International Airport (BTE), Bonthe, Sierra Leone and Otis Air National Guard Base Coast Guard Air Station Cape Cod (FMH), Falmouth, Massachusetts, United States would travel a Great Circle distance of 4,238 miles (or 6,821 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 Sherbro International Airport and Otis Air National Guard Base Coast Guard Air Station Cape Cod, 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 Sherbro International Airport and Otis Air National Guard Base Coast Guard Air Station Cape Cod. 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 Sherbro International Airport (BTE):

• Because of Sherbro International Airport's relatively low elevation of 14 feet, planes can take off or land at Sherbro International 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.
• Sherbro International Airport (BTE) currently has only 1 runway.
• The closest airport to Sherbro International Airport (BTE) is Gbangbatok Airport (GBK), which is located 22 miles (35 kilometers) NNE of BTE.
• The furthest airport from Sherbro International Airport (BTE) is Ulawa Airport (RNA), which is nearly antipodal to Sherbro International Airport (meaning Sherbro International Airport is almost on the exact opposite side of the Earth from Ulawa Airport), and is located 12,028 miles (19,357 kilometers) away in Arona, Ulawa Island, Solomon Islands.

Facts about Otis Air National Guard Base Coast Guard Air Station Cape Cod (FMH):

• In December 2013, Otis was selected as a test site by the United States Federal Aviation Administration to "aid in researching the complexities of integrating Unmanned Aircraft Systems into the congested, northeast airspace." Massachusetts Institute of Technology will work with Otis to test drones at the airport.
• The closest airport to Otis Air National Guard Base Coast Guard Air Station Cape Cod (FMH) is Barnstable Municipal Airport (HYA), which is located only 12 miles (20 kilometers) E of FMH.
• On November 6, 2009, ground was broken on new facilities for the 102nd Intelligence Wing.
• In addition to being known as "Otis Air National Guard Base Coast Guard Air Station Cape Cod", another name for FMH is "Otis ANGB".
• The furthest airport from Otis Air National Guard Base Coast Guard Air Station Cape Cod (FMH) is Margaret River Airport (MGV), which is located 11,821 miles (19,024 kilometers) away in Margaret River, Western Australia, Australia.
• The Air National Guard's and 101st Tactical Fighter Squadron used Otis when the active duty Air Force was present and shared missions with the 33rd Tactical Fighter Wing while operating their own aircraft as indicated in the previous paragraph regarding the Cold War.
• In the early 1970s, Otis AFB was marked for closure as part of changing priorities and a nation-wide reduction of military bases in response to cost cutting efforts as the Vietnam War was winding down.
• On September 11, 2001, the Federal Aviation Administration 's Boston Center contacted the base at 8:34 notifying them of the hijacking of American Airlines Flight 11.