How far is Great Falls, MT, from Rock Springs, WY?
The distance between Rock Springs (Southwest Wyoming Regional Airport) and Great Falls (Great Falls International Airport) is 422 miles / 679 kilometers / 367 nautical miles.
The driving distance from Rock Springs (RKS) to Great Falls (GTF) is 554 miles / 891 kilometers, and travel time by car is about 11 hours 28 minutes.
Southwest Wyoming Regional Airport – Great Falls International Airport
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Distance from Rock Springs to Great Falls
There are several ways to calculate the distance from Rock Springs to Great Falls. 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 Rock Springs to Great Falls?
The estimated flight time from Southwest Wyoming Regional Airport to Great Falls International Airport is 1 hour and 17 minutes.
What is the time difference between Rock Springs and Great Falls?
There is no time difference between Rock Springs and Great Falls.
Flight carbon footprint between Southwest Wyoming Regional Airport (RKS) and Great Falls International Airport (GTF)
On average, flying from Rock Springs to Great Falls 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 Rock Springs to Great Falls
See the map of the shortest flight path between Southwest Wyoming Regional Airport (RKS) and Great Falls International Airport (GTF).
Airport information
| Origin | 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 |
| Destination | 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 |