Barstow to Missoula: Road Trip Guide & Distance

How far is Barstow from Missoula?

The distance from Barstow to Missoula is 842 miles (1355.1 km) as the crow flies. Missoula is located N of Barstow. By car, the driving distance is approximately 1010.4 miles, taking about 20h 20min. A direct flight would take roughly 2h 12min. Both are located in United States — Barstow in California and Missoula in Montana.

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. Heading North for this distance usually means noticeable weather changes. Make sure to check the forecast for your destination before hitting the road. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for Barstow and Missoula. 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.