Mammoth Lakes to Roy: Road Trip Guide & Distance

How far is Mammoth Lakes from Roy?

The distance from Mammoth Lakes to Roy is 443 miles (712.9 km) as the crow flies. Roy is located NE of Mammoth Lakes. By car, the driving distance is approximately 531.6 miles, taking about 10h 42min. A direct flight would take roughly 1h 23min. Both are located in United States — Mammoth Lakes in California and Roy in Utah.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Mammoth Lakes and Roy. 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.