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

The distance between Washington D.C. (Ronald Reagan Washington National Airport) and Watertown (Watertown Regional Airport) is 1115 miles / 1794 kilometers / 969 nautical miles.

The driving distance from Washington D.C. (DCA) to Watertown (ATY) is 1374 miles / 2211 kilometers, and travel time by car is about 25 hours 16 minutes.

Ronald Reagan Washington National Airport – Watertown Regional Airport

Distance arrow
1115
Miles
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1794
Kilometers
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969
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)
  • 1114.959 miles
  • 1794.353 kilometers
  • 968.873 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
  • 1112.639 miles
  • 1790.618 kilometers
  • 966.857 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 Ronald Reagan Washington National Airport to Watertown Regional Airport is 2 hours and 36 minutes.

Flight carbon footprint between Ronald Reagan Washington National Airport (DCA) and Watertown Regional Airport (ATY)

On average, flying from Washington D.C. to Watertown generates about 158 kg of CO2 per passenger, and 158 kilograms equals 347 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 Ronald Reagan Washington National Airport (DCA) and Watertown Regional Airport (ATY).

Airport information

Origin Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″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