Miles between Rapid City, SD and Round Lake Beach, IL

There are
871 mi
from Rapid City, SD to Round Lake Beach, IL

That's the driving distance. It would take 15 hours 5 mins to go from Rapid City, South Dakota to Round Lake Beach, Illinois.

The flight distance (direct flight from Rapid City, SD to Round Lake Beach, IL) is 770.23 mi.

871 mi = 1,401.28 kms