How far is Watertown, SD, from Kalispell, MT?
The distance between Kalispell (Glacier Park International Airport) and Watertown (Watertown Regional Airport) is 845 miles / 1360 kilometers / 734 nautical miles.
The driving distance from Kalispell (FCA) to Watertown (ATY) is 1094 miles / 1760 kilometers, and travel time by car is about 19 hours 28 minutes.
Glacier Park International Airport – Watertown Regional Airport
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Distance from Kalispell to Watertown
There are several ways to calculate the distance from Kalispell to Watertown. Here are two standard methods:
Vincenty's formula (applied above)- 845.113 miles
- 1360.078 kilometers
- 734.383 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- 842.883 miles
- 1356.488 kilometers
- 732.445 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 Watertown?
The estimated flight time from Glacier Park International Airport to Watertown Regional Airport is 2 hours and 6 minutes.
What is the time difference between Kalispell and Watertown?
Flight carbon footprint between Glacier Park International Airport (FCA) and Watertown Regional Airport (ATY)
On average, flying from Kalispell to Watertown generates about 139 kg of CO2 per passenger, and 139 kilograms equals 306 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 Watertown
See the map of the shortest flight path between Glacier Park International Airport (FCA) and Watertown Regional Airport (ATY).
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 | Watertown Regional Airport |
|---|---|
| City: | Watertown, SD |
| Country: | United States |
| IATA Code: | ATY |
| ICAO Code: | KATY |
| Coordinates: | 44°54′50″N, 97°9′16″W |