How far is Rock Springs, WY, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Rock Springs (Southwest Wyoming Regional Airport) is 422 miles / 679 kilometers / 367 nautical miles.
The driving distance from Great Falls (GTF) to Rock Springs (RKS) is 554 miles / 891 kilometers, and travel time by car is about 11 hours 28 minutes.
Great Falls International Airport – Southwest Wyoming Regional Airport
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Distance from Great Falls to Rock Springs
There are several ways to calculate the distance from Great Falls to Rock Springs. Here are two standard 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 planet.
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).
How long does it take to fly from Great Falls to Rock Springs?
The estimated flight time from Great Falls International Airport to Southwest Wyoming Regional Airport is 1 hour and 17 minutes.
What is the time difference between Great Falls and Rock Springs?
There is no time difference between Great Falls and Rock Springs.
Flight carbon footprint between Great Falls International Airport (GTF) and Southwest Wyoming Regional Airport (RKS)
On average, flying from Great Falls to Rock Springs generates about 87 kg of CO2 per passenger, and 87 kilograms equals 192 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Great Falls to Rock Springs
See the map of the shortest flight path between Great Falls International Airport (GTF) and Southwest Wyoming Regional Airport (RKS).
Airport information
| Origin | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States  |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″W |
| Destination | Southwest Wyoming Regional Airport |
|---|---|
| City: | Rock Springs, WY |
| Country: | United States |
| IATA Code: | RKS |
| ICAO Code: | KRKS |
| Coordinates: | 41°35′39″N, 109°3′54″W |