Fort Collins to Mammoth Lakes: Road Trip Guide & Distance

How far is Fort Collins from Mammoth Lakes?

The distance from Fort Collins to Mammoth Lakes is 770.7 miles (1240.3 km) as the crow flies. Mammoth Lakes is located W of Fort Collins. By car, the driving distance is approximately 924.8 miles, taking about 18h 36min. A direct flight would take roughly 2h 3min. Both are located in United States — Fort Collins in Colorado and Mammoth Lakes 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 Fort Collins and Mammoth Lakes. 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.