Miles between Rapid City, SD and Centennial, CO

There are
421 mi
from Rapid City, SD to Centennial, CO

That's the driving distance. It would take 7 hours 32 mins to go from Rapid City, South Dakota to Centennial, Colorado.

The flight distance (direct flight from Rapid City, SD to Centennial, CO) is 322.23 mi.

421 mi = 677.16 kms