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How far is Watertown, SD, from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Watertown (Watertown Regional Airport) is 1092 miles / 1758 kilometers / 949 nautical miles.

The driving distance from Washington D.C. (IAD) to Watertown (ATY) is 1366 miles / 2198 kilometers, and travel time by car is about 25 hours 8 minutes.

Washington Dulles International Airport – Watertown Regional Airport

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1092
Miles
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1758
Kilometers
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949
Nautical miles

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Distance from Washington D.C. to Watertown

There are several ways to calculate the distance from Washington D.C. to Watertown. Here are two standard methods:

Vincenty's formula (applied above)
  • 1092.112 miles
  • 1757.585 kilometers
  • 949.020 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
  • 1089.842 miles
  • 1753.930 kilometers
  • 947.046 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 Washington D.C. to Watertown?

The estimated flight time from Washington Dulles International Airport to Watertown Regional Airport is 2 hours and 34 minutes.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Watertown Regional Airport (ATY)

On average, flying from Washington D.C. to Watertown generates about 156 kg of CO2 per passenger, and 156 kilograms equals 345 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Washington D.C. to Watertown

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Watertown Regional Airport (ATY).

Airport information

Origin Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″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