Boulder to Sun Valley: Road Trip Guide & Distance
How far is Boulder from Sun Valley?
The distance from Boulder to Sun Valley is 531.6 miles (855.6 km) as the crow flies. Sun Valley is located WNW of Boulder. By car, the driving distance is approximately 638 miles, taking about 12h 50min. A direct flight would take roughly 1h 34min. Both are located in United States — Boulder in Colorado and Sun Valley in Idaho.
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.
Coordinates come from public place data for Boulder 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.
How to Get from Boulder to Sun Valley
Suggested Stops Between Boulder & Sun Valley
- 1421 mi
- 2232 mi
- 3375 mi
- 488 mi
Quick Facts
Did You Know?
- At walking speed (3 mph), it would take about 177 hours of non-stop walking
- By bicycle at 12 mph, the journey would take roughly 44 hours
- You could travel this distance about 46.8 times to circle the Earth's equator