Hermiston to Sun Valley: Road Trip Guide & Distance

How far is Hermiston from Sun Valley?

The distance from Hermiston to Sun Valley is 283.8 miles (456.8 km) as the crow flies. Sun Valley is located ESE of Hermiston. By car, the driving distance is approximately 354.8 miles, taking about 7h 8min. A direct flight would take roughly 1h 4min. Both are located in United States — Hermiston in Oregon and Sun Valley in Idaho.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Hermiston 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.