Billings to Sun Valley: Road Trip Guide & Distance

How far is Billings from Sun Valley?

The distance from Billings to Sun Valley is 321.2 miles (516.9 km) as the crow flies. Sun Valley is located WSW of Billings. By car, the driving distance is approximately 385.4 miles, taking about 7h 45min. A direct flight would take roughly 1h 9min. Both are located in United States — Billings in Montana 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 Billings 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.