Map of flight path and driving directions from Watertown to Kalispell.
Shortest flight path between Watertown International Airport (ART) and Glacier Park International Airport (FCA).
How far is Kalispell from Watertown?
There are several ways to calculate distances between Watertown and Kalispell. Here are two common methods:Vincenty's formula (applied above)
- 1839.769 miles
- 2960.821 kilometers
- 1598.715 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
- 1834.671 miles
- 2952.617 kilometers
- 1594.286 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).
Time difference and current local times
The time difference between Watertown and Kalispell is 2 hours. Kalispell is 2 hours behind Watertown.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 203 kg (448 pounds).
Frequent Flyer Miles Calculator
Watertown (ART) → Kalispell (FCA).