Boise to Lacey: Road Trip Guide & Distance

How far is Boise from Lacey?

The distance from Boise to Lacey is 398.9 miles (641.9 km) as the crow flies. Lacey is located NW of Boise. By car, the driving distance is approximately 478.6 miles, taking about 9h 38min. A direct flight would take roughly 1h 18min. Both are located in United States — Boise in Idaho and Lacey in Washington.

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 Boise and Lacey. 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.