Bismarck to Boulder: Road Trip Guide & Distance

How far is Bismarck from Boulder?

The distance from Bismarck to Boulder is 520.4 miles (837.5 km) as the crow flies. Boulder is located SSW of Bismarck. By car, the driving distance is approximately 624.5 miles, taking about 12h 34min. A direct flight would take roughly 1h 33min. Both are located in United States — Bismarck in North Dakota and Boulder in Colorado.

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 Bismarck and Boulder. 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.