How far is Williston, ND, from Spokane, WA?

The distance between Spokane (Spokane International Airport) and Williston (Williston Basin International Airport) is 641 miles / 1031 kilometers / 557 nautical miles.

The driving distance from Spokane (GEG) to Williston (XWA) is 797 miles / 1282 kilometers, and travel time by car is about 15 hours 27 minutes.

Distance from Spokane to Williston

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

Vincenty's formula (applied above)

• 640.624 miles
• 1030.985 kilometers
• 556.687 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

• 638.736 miles
• 1027.945 kilometers
• 555.046 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 Spokane to Williston?

The estimated flight time from Spokane International Airport to Williston Basin International Airport is 1 hour and 42 minutes.

What is the time difference between Spokane and Williston?

The time difference between Spokane and Williston is 1 hour. Williston is 1 hour ahead of Spokane.

Flight carbon footprint between Spokane International Airport (GEG) and Williston Basin International Airport (XWA)

On average, flying from Spokane to Williston generates about 118 kg of CO2 per passenger, and 118 kilograms equals 260 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Spokane to Williston

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

Airport information

Origin	Spokane International Airport
City:	Spokane, WA
Country:	United States
IATA Code:	GEG
ICAO Code:	KGEG
Coordinates:	47°37′11″N, 117°32′2″W

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