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How far is Williston, ND, from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Williston (Williston Basin International Airport) is 1458 miles / 2346 kilometers / 1267 nautical miles.

The driving distance from Washington D.C. (IAD) to Williston (XWA) is 1761 miles / 2834 kilometers, and travel time by car is about 32 hours 27 minutes.

Washington Dulles International Airport – Williston Basin International Airport

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1458
Miles
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2346
Kilometers
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1267
Nautical miles

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Distance from Washington D.C. to Williston

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

Vincenty's formula (applied above)
  • 1457.609 miles
  • 2345.794 kilometers
  • 1266.627 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
  • 1454.669 miles
  • 2341.063 kilometers
  • 1264.073 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 Williston?

The estimated flight time from Washington Dulles International Airport to Williston Basin International Airport is 3 hours and 15 minutes.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Williston Basin International Airport (XWA)

On average, flying from Washington D.C. to Williston generates about 177 kg of CO2 per passenger, and 177 kilograms equals 390 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 Williston

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Williston Basin International Airport (XWA).

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 Williston Basin International Airport
City: Williston, ND
Country: United States Flag of United States
IATA Code: XWA
ICAO Code: KXWA
Coordinates: 48°15′30″N, 103°44′55″W