Distance from Boulder, CO to Rapid City, SD

Driving distance from Boulder, CO to Rapid City, SD is 389 miles (626 km). How far is it from Boulder, CO to Rapid City, SD? It's a 06 hours 18 minutes drive by car. Flight distance is approximately 300 miles (482 km) and flight time from Boulder, CO to Rapid City, SD is 36 minutes. Don't forget to check out our "Gas cost calculator" option. It will calculate cost of driving this particular distance. See the map below for the visual display of the upcoming road trip.

Driving distance
389 Miles
/
626 Km
Driving distance
Gas consumption
15.56 Gallons
59.47 Litres
Gas consumption
Flight distance
300 Miles
/
482 Km
Flight distance

How far is it from Boulder, CO to Rapid City, SD?

To travel the distance from Boulder, CO to Rapid City, SD, please, click on the map to see the route for the journey. "Gas Cost Calculator" tool is to your right. You can always modify it and make the number more applicable for your journey.

Book a Hotel for your trip to Rapid City, SD

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Last distance calculations