Miles between Rapid City, SD and Lemont, IL

There are
918 mi
from Rapid City, SD to Lemont, IL

That's the driving distance. It would take 15 hours 50 mins to go from Rapid City, South Dakota to Lemont, Illinois.

The flight distance (direct flight from Rapid City, SD to Lemont, IL) is 787.60 mi.

918 mi = 1,477.63 kms