Boise to West Yellowstone: Road Trip Guide & Distance

How far is Boise from West Yellowstone?

The distance from Boise to West Yellowstone is 262.9 miles (423.1 km) as the crow flies. West Yellowstone is located ENE of Boise. By car, the driving distance is approximately 328.6 miles, taking about 6h 37min. A direct flight would take roughly 1h 2min. Both are located in United States — Boise in Idaho and West Yellowstone in Montana.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Boise and West Yellowstone. 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.