How far is Helena, MT, from Rock Springs, WY?
The distance between Rock Springs (Southwest Wyoming Regional Airport) and Helena (Helena Regional Airport) is 375 miles / 604 kilometers / 326 nautical miles.
The driving distance from Rock Springs (RKS) to Helena (HLN) is 466 miles / 750 kilometers, and travel time by car is about 9 hours 45 minutes.
Southwest Wyoming Regional Airport – Helena Regional Airport
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Distance from Rock Springs to Helena
There are several ways to calculate the distance from Rock Springs to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 375.232 miles
- 603.878 kilometers
- 326.068 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- 375.312 miles
- 604.005 kilometers
- 326.137 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 Helena?
The estimated flight time from Southwest Wyoming Regional Airport to Helena Regional Airport is 1 hour and 12 minutes.
What is the time difference between Rock Springs and Helena?
There is no time difference between Rock Springs and Helena.
Flight carbon footprint between Southwest Wyoming Regional Airport (RKS) and Helena Regional Airport (HLN)
On average, flying from Rock Springs to Helena generates about 80 kg of CO2 per passenger, and 80 kilograms equals 177 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 Helena
See the map of the shortest flight path between Southwest Wyoming Regional Airport (RKS) and Helena Regional Airport (HLN).
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 | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |