Bismarck to Idaho Falls: Road Trip Guide & Distance

How far is Bismarck from Idaho Falls?

The distance from Bismarck to Idaho Falls is 594.3 miles (956.4 km) as the crow flies. Idaho Falls is located WSW of Bismarck. By car, the driving distance is approximately 713.1 miles, taking about 14h 21min. A direct flight would take roughly 1h 42min. Both are located in United States — Bismarck in North Dakota and Idaho Falls in Idaho.

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 Idaho Falls. 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.