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Distance between Spokane, WA (GEG) and Watertown, SD (ATY)

Flight distance from Spokane to Watertown (Spokane International Airport – Watertown Regional Airport) is 991 miles / 1595 kilometers / 861 nautical miles. Estimated flight time is 2 hours 22 minutes.

Driving distance from Spokane (GEG) to Watertown (ATY) is 1294 miles / 2082 kilometers and travel time by car is about 22 hours 5 minutes.

Spokane – Watertown

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991
Miles
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1595
Kilometers
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861
Nautical miles

How far is Watertown from Spokane?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common 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 earth.

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).

Flight Duration

Estimated flight time from Spokane to Watertown is 2 hours 22 minutes.

Time difference and current local times

The time difference between Spokane and Watertown is 2 hours. Watertown is 2 hours ahead of Spokane.

Spokane time to Watertown time converter

Time in Spokane: 00:00 ⇆ Time in Watertown: 00:00

Current local times

Spokane, WA

 PDT

Watertown, SD

 CDT

Carbon dioxide emissions

On average flying from Spokane to Watertown generates about 150 kg of CO2 per passenger, 150 kilograms is equal to 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

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 Flag of 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 Flag of United States
IATA Code: ATY
ICAO Code: KATY
Coordinates: 44°54′50″N, 97°9′16″W