How far is Rock Springs from Great Falls?
There are several ways to calculate distances between Great Falls and Rock Springs. Here are two common methods:Vincenty's formula (applied above)
- 422.139 miles
- 679.367 kilometers
- 366.829 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
- 422.309 miles
- 679.641 kilometers
- 366.977 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 Great Falls International Airport (GTF) to Southwest Wyoming Regional Airport (RKS) is 1 hour 17 minutes.
Time difference and current local times
There is no time difference between Great Falls and Rock Springs.
Great Falls, MT
Rock Springs, WY
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 83 kg (182 pounds).
Great Falls to Rock Springs flight map.
Frequent Flyer Miles Calculator
Great Falls (GTF) → Rock Springs (RKS).