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

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

The driving distance from Watertown (ATY) to Washington D.C. (IAD) is 1363 miles / 2193 kilometers, and travel time by car is about 24 hours 57 minutes.

Watertown Regional Airport – Washington Dulles International 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 Watertown to Washington D.C.

There are several ways to calculate the distance from Watertown to Washington D.C.. 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 Watertown to Washington D.C.?

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

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

On average, flying from Watertown to Washington D.C. 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 Watertown to Washington D.C.

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

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 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