Boulder to Tucson: Road Trip Guide & Distance

How far is Boulder from Tucson?

The distance from Boulder to Tucson is 625.2 miles (1006.1 km) as the crow flies. Tucson is located SSW of Boulder. By car, the driving distance is approximately 922.3 miles, taking about 16h 18min. A direct flight would take roughly 1h 45min. Both are located in United States — Boulder in Colorado and Tucson in Arizona.

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. 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 Boulder and Tucson. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.