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How far is Williston, ND, from Casper, WY?

The distance between Casper (Casper–Natrona County International Airport) and Williston (Williston Basin International Airport) is 392 miles / 631 kilometers / 341 nautical miles.

The driving distance from Casper (CPR) to Williston (XWA) is 532 miles / 856 kilometers, and travel time by car is about 10 hours 34 minutes.

Casper–Natrona County International Airport – Williston Basin International Airport

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392
Miles
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631
Kilometers
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341
Nautical miles

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Distance from Casper to Williston

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

Vincenty's formula (applied above)
  • 392.194 miles
  • 631.175 kilometers
  • 340.807 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
  • 392.233 miles
  • 631.237 kilometers
  • 340.841 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 Casper to Williston?

The estimated flight time from Casper–Natrona County International Airport to Williston Basin International Airport is 1 hour and 14 minutes.

What is the time difference between Casper and Williston?

There is no time difference between Casper and Williston.

Flight carbon footprint between Casper–Natrona County International Airport (CPR) and Williston Basin International Airport (XWA)

On average, flying from Casper to Williston generates about 83 kg of CO2 per passenger, and 83 kilograms equals 182 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Casper to Williston

See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and Williston Basin International Airport (XWA).

Airport information

Origin Casper–Natrona County International Airport
City: Casper, WY
Country: United States Flag of United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″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