Nonstop flight route between Summit, Alaska, United States and Grand Forks, North Dakota, United States:
Departure Airport:

Arrival Airport:

Distance from UMM to RDR:
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- About this route
- UMM Airport Information
- RDR Airport Information
- Facts about UMM
- Facts about RDR
- Map of Nearest Airports to UMM
- List of Nearest Airports to UMM
- Map of Furthest Airports from UMM
- List of Furthest Airports from UMM
- 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 Summit Airport (UMM), Summit, Alaska, United States and Grand Forks Air Force Base (RDR), Grand Forks, North Dakota, United States would travel a Great Circle distance of 2,197 miles (or 3,537 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 relatively short distance between Summit Airport and Grand Forks Air Force Base, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | UMM / PAST |
Airport Name: | Summit Airport |
Location: | Summit, Alaska, United States |
GPS Coordinates: | 63°19'53"N by 149°7'37"W |
Area Served: | Summit, Alaska |
Operator/Owner: | Alaska DOT&PF - Northern Region |
Airport Type: | Public |
Elevation: | 2409 feet (734 meters) |
# of Runways: | 1 |
View all routes: | Routes from UMM |
More Information: | UMM 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 Summit Airport (UMM):
- Summit Airport (UMM) currently has only 1 runway.
- The closest airport to Summit Airport (UMM) is McKinley National Park Airport (MCL), which is located 29 miles (46 kilometers) NNE of UMM.
- The furthest airport from Summit Airport (UMM) is Port Elizabeth International Airport (PLZ), which is located 10,397 miles (16,732 kilometers) away in Port Elizabeth, South Africa.
Facts about Grand Forks Air Force Base (RDR):
- On 3 September 1974, the SAFSCOM Site Activation Team was relieved by the U.S.
- 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.
- 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.
- 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.
- In addition to the interceptor squadrons, a Semi Automatic Ground Environment Data Center was established at Grand Forks in 1958.
- Survey teams selected sites in flat wheatlands close to the Canada-Minnesota border, north-northwest of Grand Forks.
- 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.
- 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.
- Opened 57 years ago in early 1957, the base's current host unit is the 319th Air Base Wing assigned to the Expeditionary Center of the Air Mobility Command.
- 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.
- In addition to being known as "Grand Forks Air Force Base", another name for RDR is "Grand Forks AFB".