Glacier to Idaho Falls: Road Trip Guide & Distance

How far is Glacier from Idaho Falls?

The distance from Glacier to Idaho Falls is 375.2 miles (603.8 km) as the crow flies. Idaho Falls is located SSE of Glacier. By car, the driving distance is approximately 450.2 miles, taking about 9h 3min. A direct flight would take roughly 1h 15min. Both are located in United States — Glacier in Montana and Idaho Falls in Idaho.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. 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 Glacier 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.