Nonstop flight route between Grand Forks, North Dakota, United States and Imperial, California, United States:
Departure Airport:

Arrival Airport:

Distance from RDR to IPL:
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- About this route
- RDR Airport Information
- IPL Airport Information
- Facts about RDR
- Facts about IPL
- Map of Nearest Airports to RDR
- List of Nearest Airports to RDR
- Map of Furthest Airports from RDR
- List of Furthest Airports from RDR
- Map of Nearest Airports to IPL
- List of Nearest Airports to IPL
- Map of Furthest Airports from IPL
- List of Furthest Airports from IPL
About this route:
A direct, nonstop flight between Grand Forks Air Force Base (RDR), Grand Forks, North Dakota, United States and Imperial County Airport (IPL), Imperial, California, United States would travel a Great Circle distance of 1,410 miles (or 2,269 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 Grand Forks Air Force Base and Imperial County Airport, the route shown on this map most likely still appears to be a straight line.
Departure 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 |
Arrival Airport Information:
IATA / ICAO Codes: | IPL / KIPL |
Airport Names: |
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Location: | Imperial, California, United States |
GPS Coordinates: | 32°50'3"N by 115°34'42"W |
Area Served: | Imperial / El Centro |
Operator/Owner: | Imperial County |
Airport Type: | Public |
Elevation: | -54 feet (-16 meters) |
# of Runways: | 2 |
View all routes: | Routes from IPL |
More Information: | IPL Maps & Info |
Facts about Grand Forks Air Force Base (RDR):
- 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 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 3 November 1967, the Department of Defense revealed that GFAFB was one of 10 initial locations to host a Sentinel Anti-Ballistic Missile site.
- During 1965, the wing’s three missile squadrons were activated and crew training and certification began at Vandenberg AFB in southern California.
- 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.
Facts about Imperial County Airport (IPL):
- The furthest airport from Imperial County Airport (IPL) is Sir Gaëtan Duval Airport (RRG), which is located 11,531 miles (18,557 kilometers) away in Rodrigues Island, Mauritius.
- In addition to being known as "Imperial County Airport", another name for IPL is "Boley Field".
- Because of Imperial County Airport's relatively low elevation of -54 feet, planes can take off or land at Imperial County 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 Imperial County Airport (IPL) is Naval Air Facility El Centro (NJK), which is located only 5 miles (9 kilometers) W of IPL.
- Its first airline flights were Bonanza DC-3s about 1953.
- Imperial County Airport (IPL) has 2 runways.