Grand Junction to Twin Falls: Road Trip Guide & Distance

How far is Grand Junction from Twin Falls?

The distance from Grand Junction to Twin Falls is 392.2 miles (631.2 km) as the crow flies. Twin Falls is located NW of Grand Junction. By car, the driving distance is approximately 470.6 miles, taking about 9h 28min. A direct flight would take roughly 1h 17min. Both are located in United States — Grand Junction in Colorado and Twin 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 Grand Junction and Twin 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.