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How far is Grand Forks, ND, from Rapid City, SD?

The distance between Rapid City (Rapid City Regional Airport) and Grand Forks (Grand Forks International Airport) is 391 miles / 629 kilometers / 340 nautical miles.

The driving distance from Rapid City (RAP) to Grand Forks (GFK) is 654 miles / 1052 kilometers, and travel time by car is about 10 hours 45 minutes.

Rapid City Regional Airport – Grand Forks International Airport

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391
Miles
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629
Kilometers
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340
Nautical miles

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Distance from Rapid City to Grand Forks

There are several ways to calculate the distance from Rapid City to Grand Forks. Here are two standard methods:

Vincenty's formula (applied above)
  • 390.731 miles
  • 628.820 kilometers
  • 339.536 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 390.222 miles
  • 628.001 kilometers
  • 339.094 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Rapid City to Grand Forks?

The estimated flight time from Rapid City Regional Airport to Grand Forks International Airport is 1 hour and 14 minutes.

Flight carbon footprint between Rapid City Regional Airport (RAP) and Grand Forks International Airport (GFK)

On average, flying from Rapid City to Grand Forks generates about 83 kg of CO2 per passenger, and 83 kilograms equals 182 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rapid City to Grand Forks

See the map of the shortest flight path between Rapid City Regional Airport (RAP) and Grand Forks International Airport (GFK).

Airport information

Origin Rapid City Regional Airport
City: Rapid City, SD
Country: United States Flag of United States
IATA Code: RAP
ICAO Code: KRAP
Coordinates: 44°2′43″N, 103°3′25″W
Destination Grand Forks International Airport
City: Grand Forks, ND
Country: United States Flag of United States
IATA Code: GFK
ICAO Code: KGFK
Coordinates: 47°56′57″N, 97°10′33″W