Boise to Rapid City: Road Trip Guide & Distance
How far is Boise from Rapid City?
The distance from Boise to Rapid City is 646.5 miles (1040.4 km) as the crow flies. Rapid City is located E of Boise. By car, the driving distance is approximately 775.8 miles, taking about 15h 36min. A direct flight would take roughly 1h 48min. Both are located in United States — Boise in Idaho and Rapid City in South Dakota.
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. 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 Boise and Rapid City. 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 Boise to Rapid City
Suggested Stops Between Boise & Rapid City
- 1534 mi
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Quick Facts
Did You Know?
- At walking speed (3 mph), it would take about 216 hours of non-stop walking
- By bicycle at 12 mph, the journey would take roughly 54 hours
- You could travel this distance about 38.5 times to circle the Earth's equator