Mammoth Lakes to Nampa: Road Trip Guide & Distance

How far is Mammoth Lakes from Nampa?

The distance from Mammoth Lakes to Nampa is 426.2 miles (685.9 km) as the crow flies. Nampa is located NNE of Mammoth Lakes. By car, the driving distance is approximately 511.5 miles, taking about 10h 17min. A direct flight would take roughly 1h 21min. Both are located in United States — Mammoth Lakes in California and Nampa in Idaho.

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 Nampa. 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.