How far is Grand Forks from Oklahoma City?
There are several ways to calculate distances between Oklahoma City and Grand Forks. Here are two common methods:Vincenty's formula (applied above)
- 866.830 miles
- 1395.027 kilometers
- 753.254 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 867.824 miles
- 1396.627 kilometers
- 754.118 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).
Estimated flight time from Will Rogers World Airport (OKC) to Grand Forks International Airport (GFK) is 2 hours 8 minutes.
Time difference and current local times
There is no time difference between Oklahoma City and Grand Forks.
Oklahoma City, OK
Grand Forks, ND
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 141 kg (310 pounds).
Oklahoma City to Grand Forks flight map.
Frequent Flyer Miles Calculator
Oklahoma City (OKC) → Grand Forks (GFK).