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

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

The driving distance from Williston (XWA) to Casper (CPR) is 532 miles / 856 kilometers, and travel time by car is about 10 hours 32 minutes.

Williston Basin International Airport – Casper–Natrona County 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 Williston to Casper

There are several ways to calculate the distance from Williston to Casper. 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 Williston to Casper?

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

What is the time difference between Williston and Casper?

There is no time difference between Williston and Casper.

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

On average, flying from Williston to Casper 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 Williston to Casper

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

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 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