Rock Springs to Sun Valley: Road Trip Guide & Distance

How far is Rock Springs from Sun Valley?

The distance from Rock Springs to Sun Valley is 299.4 miles (481.9 km) as the crow flies. Sun Valley is located WNW of Rock Springs. By car, the driving distance is approximately 374.3 miles, taking about 7h 32min. A direct flight would take roughly 1h 6min. Both are located in United States — Rock Springs in Wyoming and Sun Valley 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 Rock Springs and Sun Valley. 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.