Boulder to Walla Walla: Road Trip Guide & Distance

How far is Boulder from Walla Walla?

The distance from Boulder to Walla Walla is 779.8 miles (1255 km) as the crow flies. Walla Walla is located NW of Boulder. By car, the driving distance is approximately 935.8 miles, taking about 18h 50min. A direct flight would take roughly 2h 4min. Both are located in United States — Boulder in Colorado and Walla Walla in Washington.

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 Walla Walla. 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.