How far is Rock Springs, WY, from Kalispell, MT?
The distance between Kalispell (Glacier Park International Airport) and Rock Springs (Southwest Wyoming Regional Airport) is 529 miles / 851 kilometers / 459 nautical miles.
The driving distance from Kalispell (FCA) to Rock Springs (RKS) is 684 miles / 1101 kilometers, and travel time by car is about 12 hours 48 minutes.
Glacier Park International Airport – Southwest Wyoming Regional Airport
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Distance from Kalispell to Rock Springs
There are several ways to calculate the distance from Kalispell to Rock Springs. Here are two standard methods:
Vincenty's formula (applied above)- 528.738 miles
- 850.922 kilometers
- 459.461 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- 528.635 miles
- 850.755 kilometers
- 459.371 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 Kalispell to Rock Springs?
The estimated flight time from Glacier Park International Airport to Southwest Wyoming Regional Airport is 1 hour and 30 minutes.
What is the time difference between Kalispell and Rock Springs?
There is no time difference between Kalispell and Rock Springs.
Flight carbon footprint between Glacier Park International Airport (FCA) and Southwest Wyoming Regional Airport (RKS)
On average, flying from Kalispell to Rock Springs generates about 103 kg of CO2 per passenger, and 103 kilograms equals 227 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Kalispell to Rock Springs
See the map of the shortest flight path between Glacier Park International Airport (FCA) and Southwest Wyoming Regional Airport (RKS).
Airport information
| Origin | Glacier Park International Airport |
|---|---|
| City: | Kalispell, MT |
| Country: | United States  |
| IATA Code: | FCA |
| ICAO Code: | KGPI |
| Coordinates: | 48°18′37″N, 114°15′21″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 |