Casper to Walla Walla: Road Trip Guide & Distance

How far is Casper from Walla Walla?

The distance from Casper to Walla Walla is 632.2 miles (1017.5 km) as the crow flies. Walla Walla is located WNW of Casper. By car, the driving distance is approximately 758.7 miles, taking about 15h 16min. A direct flight would take roughly 1h 46min. Both are located in United States — Casper in Wyoming 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.

Coordinates come from public place data for Casper 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.