How far is Williston, ND, from Watertown, SD?

The distance between Watertown (Watertown Regional Airport) and Williston (Williston Basin International Airport) is 390 miles / 627 kilometers / 339 nautical miles.

The driving distance from Watertown (ATY) to Williston (XWA) is 570 miles / 917 kilometers, and travel time by car is about 10 hours 1 minutes.

Distance from Watertown to Williston

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

Vincenty's formula (applied above)

• 389.614 miles
• 627.022 kilometers
• 338.565 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

• 388.926 miles
• 625.915 kilometers
• 337.967 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 Watertown to Williston?

The estimated flight time from Watertown Regional Airport to Williston Basin International Airport is 1 hour and 14 minutes.

What is the time difference between Watertown and Williston?

The time difference between Watertown and Williston is 1 hour. Williston is 1 hour behind Watertown.

Flight carbon footprint between Watertown Regional Airport (ATY) and Williston Basin International Airport (XWA)

On average, flying from Watertown to Williston generates about 82 kg of CO2 per passenger, and 82 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 Watertown to Williston

See the map of the shortest flight path between Watertown Regional Airport (ATY) and Williston Basin International Airport (XWA).

Airport information

Origin	Watertown Regional Airport
City:	Watertown, SD
Country:	United States
IATA Code:	ATY
ICAO Code:	KATY
Coordinates:	44°54′50″N, 97°9′16″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