Map of flight path and driving directions from Rock Springs to Grand Forks.
Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Grand Forks International Airport (GFK).
How far is Grand Forks from Rock Springs?
There are several ways to calculate distances between Rock Springs and Grand Forks. Here are two common methods:Vincenty's formula (applied above)
- 729.755 miles
- 1174.427 kilometers
- 634.140 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
- 728.625 miles
- 1172.608 kilometers
- 633.158 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).
Time difference and current local times
The time difference between Rock Springs and Grand Forks is 1 hour. Grand Forks is 1 hour ahead of Rock Springs.
Rock Springs, WY
Grand Forks, ND
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 128 kg (282 pounds).
Frequent Flyer Miles Calculator
Rock Springs (RKS) → Grand Forks (GFK).