Nonstop flight route between Topeka, Kansas, United States and Grand Forks, North Dakota, United States:
Departure Airport:

Arrival Airport:

Distance from TOP to RDR:
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- About this route
- TOP Airport Information
- RDR Airport Information
- Facts about TOP
- Facts about RDR
- Map of Nearest Airports to TOP
- List of Nearest Airports to TOP
- Map of Furthest Airports from TOP
- List of Furthest Airports from TOP
- 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 Philip Billard Municipal Airport (TOP), Topeka, Kansas, United States and Grand Forks Air Force Base (RDR), Grand Forks, North Dakota, United States would travel a Great Circle distance of 621 miles (or 999 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 Philip Billard Municipal 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: | TOP / KTOP |
Airport Name: | Philip Billard Municipal Airport |
Location: | Topeka, Kansas, United States |
GPS Coordinates: | 39°4'6"N by 95°37'21"W |
Operator/Owner: | Metropolitan Topeka Airport Authority |
Airport Type: | Public |
Elevation: | 881 feet (269 meters) |
# of Runways: | 3 |
View all routes: | Routes from TOP |
More Information: | TOP 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 Philip Billard Municipal Airport (TOP):
- Philip Billard Municipal Airport (TOP) has 3 runways.
- The furthest airport from Philip Billard Municipal Airport (TOP) is Margaret River Airport (MGV), which is located 10,703 miles (17,224 kilometers) away in Margaret River, Western Australia, Australia.
- It was Topeka's airline airport until 1976.
- Because of Philip Billard Municipal Airport's relatively low elevation of 881 feet, planes can take off or land at Philip Billard Municipal 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 Philip Billard Municipal Airport (TOP) is Lawrence Municipal Airport (LWC), which is located 22 miles (36 kilometers) E of TOP.
Facts about Grand Forks Air Force Base (RDR):
- In 1973, the 319th Bomb Wing acquired the AGM-69 Short Range Attack Missile, replacing the older AGM-28 Hound Dog air-to-ground missile aboard its B-52H aircraft.
- 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.
- 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.
- 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.
- 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.
- In addition to being known as "Grand Forks Air Force Base", another name for RDR is "Grand Forks AFB".
- In October 1977, the PAR came under operational control of the USAF, which operated it thereafter as part of its early warning system.