Miles between Rapid City, SD and Crystal Lake, IL

There are
860 mi
from Rapid City, SD to Crystal Lake, IL

That's the driving distance. It would take 15 hours 4 mins to go from Rapid City, South Dakota to Crystal Lake, Illinois.

The flight distance (direct flight from Rapid City, SD to Crystal Lake, IL) is 761.26 mi.

860 mi = 1,383.77 kms