Nonstop flight route between Tchien, Liberia and Grand Forks, North Dakota, United States:
Departure Airport:

Arrival Airport:

Distance from THC to RDR:
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- About this route
- THC Airport Information
- RDR Airport Information
- Facts about THC
- Facts about RDR
- Map of Nearest Airports to THC
- List of Nearest Airports to THC
- Map of Furthest Airports from THC
- List of Furthest Airports from THC
- Map of Nearest Airports to RDR
- List of Nearest Airports to RDR
- Map of Furthest Airports from RDR
- List of Furthest Airports from RDR
About this route:
A direct, nonstop flight between Tchien Airport (THC), Tchien, Liberia and Grand Forks Air Force Base (RDR), Grand Forks, North Dakota, United States would travel a Great Circle distance of 5,874 miles (or 9,453 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 Tchien Airport and Grand Forks Air Force Base, 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 Tchien Airport and Grand Forks Air Force Base. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | THC / GLTN |
Airport Name: | Tchien Airport |
Location: | Tchien, Liberia |
GPS Coordinates: | 6°2'59"N by 8°8'20"W |
Area Served: | Zwedru |
Airport Type: | Public |
Elevation: | 240 feet (73 meters) |
# of Runways: | 1 |
View all routes: | Routes from THC |
More Information: | THC Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | RDR / KRDR |
Airport Names: |
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Location: | Grand Forks, North Dakota, United States |
GPS Coordinates: | 47°57'39"N by 97°24'3"W |
View all routes: | Routes from RDR |
More Information: | RDR Maps & Info |
Facts about Tchien Airport (THC):
- Because of Tchien Airport's relatively low elevation of 240 feet, planes can take off or land at Tchien 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 closest airport to Tchien Airport (THC) is Guiglo Airport (GGO), which is located 54 miles (87 kilometers) NE of THC.
- The furthest airport from Tchien Airport (THC) is Arorae Island Airport (AIS), which is nearly antipodal to Tchien Airport (meaning Tchien Airport is almost on the exact opposite side of the Earth from Arorae Island Airport), and is located 12,022 miles (19,347 kilometers) away in Arorae Island, Kiribati.
- Tchien Airport (THC) currently has only 1 runway.
Facts about Grand Forks Air Force Base (RDR):
- The furthest airport from Grand Forks Air Force Base (RDR) is Margaret River Airport (MGV), which is located 10,504 miles (16,904 kilometers) away in Margaret River, Western Australia, Australia.
- The closest airport to Grand Forks Air Force Base (RDR) is Grand Forks International Airport (GFK), which is located only 10 miles (17 kilometers) E of RDR.
- SAGE operations were extremely expansive and GFADS was inactivated on 1 December 1963, when it was merged with the Minot Air Defense Sector at Minot AFB to the west.
- In addition to being known as "Grand Forks Air Force Base", another name for RDR is "Grand Forks AFB".
- Due to the continuance of the Cold War between the United States and the Soviet Union, GFAFB was originally an Air Defense Command fighter-interceptor air base.
- Following the departure of the last B-1B aircraft in 1994, the base transferred to the new Air Mobility Command and the 319th Bomb Wing was redesignated as the 319th Air Refueling Wing.
- On 1 September 1958, the Strategic Air Command established the 4133d Strategic Wing at Grand Forks as part of its plan to disperse its B-52 heavy bombers over a larger number of bases, thus making it more difficult for the Soviet Union to knock out the entire fleet with a surprise first strike.