Barstow to Flagstaff: Road Trip Guide & Distance

How far is Barstow from Flagstaff?

The distance from Barstow to Flagstaff is 304.5 miles (490.1 km) as the crow flies. Flagstaff is located E of Barstow. By car, the driving distance is approximately 380.7 miles, taking about 7h 39min. A direct flight would take roughly 1h 7min. Both are located in United States — Barstow in California and Flagstaff in Arizona.

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 Barstow and Flagstaff. 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.