How far is Kalispell, MT, from Rock Springs, WY?
The distance between Rock Springs (Southwest Wyoming Regional Airport) and Kalispell (Glacier Park International Airport) is 529 miles / 851 kilometers / 459 nautical miles.
The driving distance from Rock Springs (RKS) to Kalispell (FCA) is 685 miles / 1102 kilometers, and travel time by car is about 12 hours 48 minutes.
Southwest Wyoming Regional Airport – Glacier Park International Airport
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Distance from Rock Springs to Kalispell
There are several ways to calculate the distance from Rock Springs to Kalispell. 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 Rock Springs to Kalispell?
The estimated flight time from Southwest Wyoming Regional Airport to Glacier Park International Airport is 1 hour and 30 minutes.
What is the time difference between Rock Springs and Kalispell?
There is no time difference between Rock Springs and Kalispell.
Flight carbon footprint between Southwest Wyoming Regional Airport (RKS) and Glacier Park International Airport (FCA)
On average, flying from Rock Springs to Kalispell 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 Rock Springs to Kalispell
See the map of the shortest flight path between Southwest Wyoming Regional Airport (RKS) and Glacier Park International Airport (FCA).
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 | 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 |