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

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

The driving distance from Watertown (ATY) to Washington D.C. (DCA) is 1370 miles / 2205 kilometers, and travel time by car is about 25 hours 7 minutes.

Watertown Regional Airport – Ronald Reagan Washington National Airport

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1115
Miles
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1794
Kilometers
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969
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)
  • 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 Watertown to Washington D.C.?

The estimated flight time from Watertown Regional Airport to Ronald Reagan Washington National Airport is 2 hours and 36 minutes.

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

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

See the map of the shortest flight path between Watertown Regional Airport (ATY) and Ronald Reagan Washington National Airport (DCA).

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 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