Air Miles Calculator

Distance between Great Falls, MT (GTF) and Rock Springs, WY (RKS)

Distance from Great Falls to Rock Springs (Great Falls International Airport – Southwest Wyoming Regional Airport) is 422 miles / 679 kilometers / 367 nautical miles.

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).

Flight duration

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.

Time Difference

Great Falls
Rock Springs

Great Falls, MT

 MST

Rock Springs, WY

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 83 kg (182 pounds).

Airport information


A Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″W

B Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States Flag of United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″W

Map

Great Falls to Rock Springs flight map.

Frequent Flyer Miles Calculator

Great Falls (GTF) → Rock Springs (RKS).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
422
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
422

Round trip?