Cheyenne to Idaho Falls: Road Trip Guide & Distance

How far is Cheyenne from Idaho Falls?

The distance from Cheyenne to Idaho Falls is 402 miles (646.9 km) as the crow flies. Idaho Falls is located WNW of Cheyenne. By car, the driving distance is approximately 482.4 miles, taking about 9h 42min. A direct flight would take roughly 1h 19min. Both are located in United States — Cheyenne in Wyoming and Idaho Falls 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. 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.

Coordinates come from public place data for Cheyenne and Idaho Falls. 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.