Sioux City to Williston: Road Trip Guide & Distance

How far is Sioux City from Williston?

The distance from Sioux City to Williston is 524.1 miles (843.5 km) as the crow flies. Williston is located NW of Sioux City. By car, the driving distance is approximately 629 miles, taking about 12h 39min. A direct flight would take roughly 1h 33min. Both are located in United States — Sioux City in Iowa and Williston in North Dakota.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare.

Coordinates come from public place data for Sioux City and Williston. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.