Nonstop flight route between Tambor, Costa Rica and Grand Forks, North Dakota, United States:
Departure Airport:

Arrival Airport:

Distance from TMU to RDR:
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- About this route
- TMU Airport Information
- RDR Airport Information
- Facts about TMU
- Facts about RDR
- Map of Nearest Airports to TMU
- List of Nearest Airports to TMU
- Map of Furthest Airports from TMU
- List of Furthest Airports from TMU
- 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 Tambor Airport (TMU), Tambor, Costa Rica and Grand Forks Air Force Base (RDR), Grand Forks, North Dakota, United States would travel a Great Circle distance of 2,738 miles (or 4,406 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 Tambor 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 Tambor 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: | TMU / MRTR |
Airport Name: | Tambor Airport |
Location: | Tambor, Costa Rica |
GPS Coordinates: | 9°43'58"N by 85°1'1"W |
Airport Type: | Public |
Elevation: | 33 feet (10 meters) |
# of Runways: | 1 |
View all routes: | Routes from TMU |
More Information: | TMU 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 Tambor Airport (TMU):
- The closest airport to Tambor Airport (TMU) is Punta Islita Airport (PBP), which is located 25 miles (40 kilometers) WNW of TMU.
- Because of Tambor Airport's relatively low elevation of 33 feet, planes can take off or land at Tambor 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.
- Tambor Airport (TMU) currently has only 1 runway.
- The furthest airport from Tambor Airport (TMU) is Cocos (Keeling) Island Airport (CCK), which is nearly antipodal to Tambor Airport (meaning Tambor Airport is almost on the exact opposite side of the Earth from Cocos (Keeling) Island Airport), and is located 12,226 miles (19,676 kilometers) away in Cocos Islands, Australia.
Facts about Grand Forks Air Force Base (RDR):
- 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.
- The 4133d SW was redesignated as the 319th Bombardment Wing on 1 February 1963 in a name-only redesigation and was assigned to SAC's Second Air Force, 810th Strategic Aerospace Division.
- In addition to being known as "Grand Forks Air Force Base", another name for RDR is "Grand Forks AFB".
- On 26 May 1972, President Nixon and Soviet general secretary Leonid Brezhnev signed the ABM Treaty, which limited each nation to one site to protect strategic forces and one site to protect the "National Command Authority." With work about 85 percent complete at Grand Forks, the United States chose to finish construction at the North Dakota site.
- 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.
- With the restructuring of the Air Force and the disestablishment of SAC in 1992, the wing transferred to Air Combat Command, then came under Air Force Space Command in 1993.