Lassen Volcanic to O'Fallon, Missouri: Road Trip Guide & Distance

How far is Lassen Volcanic from O'Fallon, Missouri?

The distance from Lassen Volcanic to O'Fallon, Missouri is 1634.5 miles (2630.5 km) as the crow flies. O'Fallon, Missouri is located E of Lassen Volcanic. By car, the driving distance is approximately 1961.4 miles, taking about 39h 27min. A direct flight would take roughly 3h 47min. Both are located in United States — Lassen Volcanic in California and O'Fallon, Missouri in Missouri.

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. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. 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 Lassen Volcanic and O'Fallon, Missouri. 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.