Map of flight path and driving directions from Rock Springs to Great Falls.
Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Great Falls International Airport (GTF).
How far is Great Falls from Rock Springs?
There are several ways to calculate distances between Rock Springs and Great Falls. 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).
Time difference and current local times
There is no time difference between Rock Springs and Great Falls.
Rock Springs, WY
Great Falls, MT
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 87 kg (192 pounds).
Frequent Flyer Miles Calculator
Rock Springs (RKS) → Great Falls (GTF).