Nonstop flight route between Bonthe, Sierra Leone and Philadelphia, Pennsylvania, United States:

About this route:

A direct, nonstop flight between Sherbro International Airport (BTE), Bonthe, Sierra Leone and Philadelphia International Airport (PHL), Philadelphia, Pennsylvania, United States would travel a Great Circle distance of 4,447 miles (or 7,156 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 Philadelphia 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 Sherbro International Airport and Philadelphia 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 Sherbro International Airport (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.
• 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.
• 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.

Facts about Philadelphia International Airport (PHL):

• Beginning in 1940 the Coatesville-based Rising Sun School of Aeronautics performed primary flight training at the airport under contract to the Air Corps.
• Philadelphia International Airport (PHL) has 4 runways.
• The closest airport to Philadelphia International Airport (PHL) is Philadelphia Seaplane BaseChandler Field (PSQ), which is located only 3 miles (5 kilometers) WSW of PHL.
• The furthest airport from Philadelphia International Airport (PHL) is Margaret River Airport (MGV), which is located 11,734 miles (18,884 kilometers) away in Margaret River, Western Australia, Australia.
• In 2004 Southwest Airlines announced it would begin flights from PHL, challenging US Airways in some of its important East Coast and Midwest markets.
• Today Philadelphia International Airport is one of the busiest airports in the world and among the fastest growing in the United States.
• During 1945 the Air Force reduced its use of the airport and it was returned to civil control that September.
• The second study, the PHL Capacity Enhancement Program has a much larger scope and is considering more drastic ways to increase runway capacity at PHL.
• Because of Philadelphia International Airport's relatively low elevation of 36 feet, planes can take off or land at Philadelphia 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.
• By 2005, there were two studies which dealt with expanding runway capacity at PHL airport.
• US Airways became the dominant carrier at PHL during the 1980s and 1990s and shifted most of its hub operations from Pittsburgh to Philadelphia in 2003.
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