Casper to Kennewick: Road Trip Guide & Distance

How far is Casper from Kennewick?

The distance from Casper to Kennewick is 671.6 miles (1080.8 km) as the crow flies. Kennewick is located WNW of Casper. By car, the driving distance is approximately 805.9 miles, taking about 16h 13min. A direct flight would take roughly 1h 51min. Both are located in United States — Casper in Wyoming and Kennewick 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 Casper and Kennewick. 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.