Distance between Rock Springs, WY (RKS) and Kalispell, MT (FCA)
Flight distance from Rock Springs to Kalispell (Southwest Wyoming Regional Airport – Glacier Park International Airport) is 529 miles / 851 kilometers / 459 nautical miles. Estimated flight time is 1 hour 30 minutes.
Driving distance from Rock Springs (RKS) to Kalispell (FCA) is 685 miles / 1102 kilometers and travel time by car is about 13 hours 22 minutes.
Rock Springs – Kalispell
How far is Kalispell from Rock Springs?
There are several ways to calculate distances between Los Angeles and Chicago. Here are two common 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 earth.
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).
Flight Duration
Estimated flight time from Southwest Wyoming Regional Airport to Glacier Park International Airport is 1 hour 30 minutes.
Time difference
There is no time difference between Rock Springs and Kalispell.
Carbon dioxide emissions
On average flying from Rock Springs to Kalispell generates about 103 kg of CO2 per passenger, 103 kilograms is equal to 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
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 |