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

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

The driving distance from Williston (XWA) to Washington D.C. (IAD) is 1758 miles / 2830 kilometers, and travel time by car is about 32 hours 15 minutes.

Williston Basin International Airport – Washington Dulles 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 Williston to Washington D.C.

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

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

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

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

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

Airport information

Origin 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
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