Casper to Lassen Volcanic: Road Trip Guide & Distance

How far is Casper from Lassen Volcanic?

The distance from Casper to Lassen Volcanic is 799.6 miles (1286.9 km) as the crow flies. Lassen Volcanic is located W of Casper. By car, the driving distance is approximately 959.6 miles, taking about 19h 18min. A direct flight would take roughly 2h 7min. Both are located in United States — Casper in Wyoming and Lassen Volcanic in California.

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 Lassen Volcanic. 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.