Nonstop flight route between Sault Ste. Marie, Michigan, United States and Grand Forks, North Dakota, United States:
Departure Airport:

Arrival Airport:

Distance from INR to RDR:
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- About this route
- INR Airport Information
- RDR Airport Information
- Facts about INR
- Facts about RDR
- Map of Nearest Airports to INR
- List of Nearest Airports to INR
- Map of Furthest Airports from INR
- List of Furthest Airports from INR
- 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 Kincheloe Air Force Base (INR), Sault Ste. Marie, Michigan, United States and Grand Forks Air Force Base (RDR), Grand Forks, North Dakota, United States would travel a Great Circle distance of 619 miles (or 996 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 Kincheloe Air Force Base 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: | INR / |
Airport Name: | Kincheloe Air Force Base |
Location: | Sault Ste. Marie, Michigan, United States |
GPS Coordinates: | 46°15'2"N by 84°28'20"W |
View all routes: | Routes from INR |
More Information: | INR 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 Kincheloe Air Force Base (INR):
- In the 1950s, the Air Force adopted a policy of dispersing Strategic Air Command bombers and tankers.
- The B-52s and KC-135s of the 449th were reassigned to other SAC units, and the wing was inactivated on 30 September 1977 concurrently with the closure of Kincheloe Air Force Base.
- The closest airport to Kincheloe Air Force Base (INR) is Chippewa County International Airport (CIU), which is located only 0 mile (0 kilometer) N of INR.
- The furthest airport from Kincheloe Air Force Base (INR) is Margaret River Airport (MGV), which is located 11,103 miles (17,869 kilometers) away in Margaret River, Western Australia, Australia.
- In May 1958 the 438th FIS was temporarily transferred to K.
- Flying out of Kinross in 1953, pilot Felix Moncla and his plane disappeared while pursuing a UFO over the Soo Locks and Lake Superior.
Facts about Grand Forks Air Force Base (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.
- 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.
- 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.
- Grand Forks Air Force Base was established on 1 December 1955, with construction beginning in the fall of that year.
- In addition to being known as "Grand Forks Air Force Base", another name for RDR is "Grand Forks AFB".
- Survey teams selected sites in flat wheatlands close to the Canada-Minnesota border, north-northwest of Grand Forks.
- During 1965, the wing’s three missile squadrons were activated and crew training and certification began at Vandenberg AFB in southern California.