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How far is Williston, ND, from Unalaska, AK?

The distance between Unalaska (Unalaska Airport) and Williston (Williston Basin International Airport) is 2671 miles / 4298 kilometers / 2321 nautical miles.

Unalaska Airport – Williston Basin International Airport

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2671
Miles
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4298
Kilometers
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2321
Nautical miles

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Distance from Unalaska to Williston

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

Vincenty's formula (applied above)
  • 2670.781 miles
  • 4298.205 kilometers
  • 2320.845 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
  • 2662.556 miles
  • 4284.969 kilometers
  • 2313.698 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 Unalaska to Williston?

The estimated flight time from Unalaska Airport to Williston Basin International Airport is 5 hours and 33 minutes.

Flight carbon footprint between Unalaska Airport (DUT) and Williston Basin International Airport (XWA)

On average, flying from Unalaska to Williston generates about 295 kg of CO2 per passenger, and 295 kilograms equals 651 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Unalaska to Williston

See the map of the shortest flight path between Unalaska Airport (DUT) and Williston Basin International Airport (XWA).

Airport information

Origin Unalaska Airport
City: Unalaska, AK
Country: United States Flag of United States
IATA Code: DUT
ICAO Code: PADU
Coordinates: 53°54′0″N, 166°32′38″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