How far is Williston, ND, from Ontario, CA?

The distance between Ontario (Ontario International Airport) and Williston (Williston Basin International Airport) is 1213 miles / 1953 kilometers / 1054 nautical miles.

The driving distance from Ontario (ONT) to Williston (XWA) is 1524 miles / 2452 kilometers, and travel time by car is about 27 hours 32 minutes.

Distance from Ontario to Williston

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

Vincenty's formula (applied above)

• 1213.488 miles
• 1952.920 kilometers
• 1054.492 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

• 1213.391 miles
• 1952.764 kilometers
• 1054.408 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 Ontario to Williston?

The estimated flight time from Ontario International Airport to Williston Basin International Airport is 2 hours and 47 minutes.

What is the time difference between Ontario and Williston?

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

Flight carbon footprint between Ontario International Airport (ONT) and Williston Basin International Airport (XWA)

On average, flying from Ontario to Williston generates about 162 kg of CO2 per passenger, and 162 kilograms equals 357 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Ontario to Williston

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

Airport information

Origin	Ontario International Airport
City:	Ontario, CA
Country:	United States
IATA Code:	ONT
ICAO Code:	KONT
Coordinates:	34°3′21″N, 117°36′3″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