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How far is Spokane, WA, from Watertown, SD?

The distance between Watertown (Watertown Regional Airport) and Spokane (Spokane International Airport) is 991 miles / 1595 kilometers / 861 nautical miles.

The driving distance from Watertown (ATY) to Spokane (GEG) is 1296 miles / 2085 kilometers, and travel time by car is about 22 hours 3 minutes.

Watertown Regional Airport – Spokane International Airport

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991
Miles
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1595
Kilometers
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861
Nautical miles

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Distance from Watertown to Spokane

There are several ways to calculate the distance from Watertown to Spokane. 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 Watertown to Spokane?

The estimated flight time from Watertown Regional Airport to Spokane International Airport is 2 hours and 22 minutes.

Flight carbon footprint between Watertown Regional Airport (ATY) and Spokane International Airport (GEG)

On average, flying from Watertown to Spokane 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 Watertown to Spokane

See the map of the shortest flight path between Watertown Regional Airport (ATY) and Spokane International Airport (GEG).

Airport information

Origin 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
Destination 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