Nonstop flight route between Nukuʻalofa, Tongatapu, Tonga and Decatur, Alabama, United States:
Departure Airport:

Arrival Airport:

Distance from TBU to DCU:
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- About this route
- TBU Airport Information
- DCU Airport Information
- Facts about TBU
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- Map of Furthest Airports from TBU
- List of Furthest Airports from TBU
- Map of Nearest Airports to DCU
- List of Nearest Airports to DCU
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- List of Furthest Airports from DCU
About this route:
A direct, nonstop flight between Fuaʻamotu International Airport (TBU), Nukuʻalofa, Tongatapu, Tonga and Pryor Field Regional Airport (DCU), Decatur, Alabama, United States would travel a Great Circle distance of 6,943 miles (or 11,173 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 Fuaʻamotu International Airport and Pryor Field Regional 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 Fuaʻamotu International Airport and Pryor Field Regional Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | TBU / NFTF |
Airport Name: | Fuaʻamotu International Airport |
Location: | Nukuʻalofa, Tongatapu, Tonga |
GPS Coordinates: | 21°14'27"S by 175°8'57"W |
Area Served: | Nukuʻalofa, Tonga |
Operator/Owner: | Ministry of Civil Aviation |
Airport Type: | Public |
Elevation: | 126 feet (38 meters) |
# of Runways: | 2 |
View all routes: | Routes from TBU |
More Information: | TBU Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | DCU / KDCU |
Airport Name: | Pryor Field Regional Airport |
Location: | Decatur, Alabama, United States |
GPS Coordinates: | 34°39'15"N by 86°56'43"W |
Area Served: | Decatur, Alabama |
Operator/Owner: | Decatur/Athens Airport Authority |
Airport Type: | Public |
Elevation: | 592 feet (180 meters) |
# of Runways: | 1 |
View all routes: | Routes from DCU |
More Information: | DCU Maps & Info |
Facts about Fuaʻamotu International Airport (TBU):
- Fuaʻamotu was originally built in 1942 by a civilian contractor for the US Army.
- Because of Fuaʻamotu International Airport's relatively low elevation of 126 feet, planes can take off or land at Fuaʻamotu 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.
- Under Tongan law, Fuaʻamotu International Airport is closed on Sundays — only to be opened in distress, after the minister's approval.
- Fuaʻamotu International Airport (TBU) has 2 runways.
- On April 28, 2006, the Tongan Government ended their controversial one-airline policy that had been in favour of Peau Vavaʻu.
- The closest airport to Fuaʻamotu International Airport (TBU) is Lifuka Island Airport (HPA), which is located 114 miles (183 kilometers) NNE of TBU.
- The furthest airport from Fuaʻamotu International Airport (TBU) is Aguenar – Hadj Bey Akhamok Airport (TMR), which is nearly antipodal to Fuaʻamotu International Airport (meaning Fuaʻamotu International Airport is almost on the exact opposite side of the Earth from Aguenar – Hadj Bey Akhamok Airport), and is located 12,322 miles (19,830 kilometers) away in Tamanrasset, Algeria.
- It is the strength of the runway rather than the length that restricts operations from Fuaʻamotu.
Facts about Pryor Field Regional Airport (DCU):
- The furthest airport from Pryor Field Regional Airport (DCU) is Margaret River Airport (MGV), which is located 11,180 miles (17,992 kilometers) away in Margaret River, Western Australia, Australia.
- Because of Pryor Field Regional Airport's relatively low elevation of 592 feet, planes can take off or land at Pryor Field Regional 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.
- Pryor Field Regional Airport (DCU) currently has only 1 runway.
- The closest airport to Pryor Field Regional Airport (DCU) is Huntsville International Airport (HSV), which is located only 10 miles (16 kilometers) E of DCU.
- In January 2010, the pilot training site was designated a historic landmark and added to the Alabama Register of Landmarks and Heritage.
- The Pryor Field Regional Airport receives $30,000 annually each from the cities of Athens and Decatur and from the county commissions of Morgan and Limestone