How far is Watertown, SD, from Spokane, WA?
The distance between Spokane (Spokane International Airport) and Watertown (Watertown Regional Airport) is 991 miles / 1595 kilometers / 861 nautical miles.
The driving distance from Spokane (GEG) to Watertown (ATY) is 1294 miles / 2082 kilometers, and travel time by car is about 22 hours 6 minutes.
Spokane International Airport – Watertown Regional Airport
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Distance from Spokane to Watertown
There are several ways to calculate the distance from Spokane to Watertown. Here are two standard methods:
Vincenty's formula (applied above)- 990.893 miles
- 1594.687 kilometers
- 861.062 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- 988.168 miles
- 1590.303 kilometers
- 858.695 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 Spokane to Watertown?
The estimated flight time from Spokane International Airport to Watertown Regional Airport is 2 hours and 22 minutes.
What is the time difference between Spokane and Watertown?
The time difference between Spokane and Watertown is 2 hours. Watertown is 2 hours ahead of Spokane.
Flight carbon footprint between Spokane International Airport (GEG) and Watertown Regional Airport (ATY)
On average, flying from Spokane to Watertown generates about 150 kg of CO2 per passenger, and 150 kilograms equals 331 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Spokane to Watertown
See the map of the shortest flight path between Spokane International Airport (GEG) and Watertown Regional Airport (ATY).
Airport information
| Origin | Spokane International Airport |
|---|---|
| City: | Spokane, WA |
| Country: | United States  |
| IATA Code: | GEG |
| ICAO Code: | KGEG |
| Coordinates: | 47°37′11″N, 117°32′2″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 |