Miles between Rapid City, SD and Montgomery, IL

There are
904 mi
from Rapid City, SD to Montgomery, IL

That's the driving distance. It would take 15 hours 32 mins to go from Rapid City, South Dakota to Montgomery, Illinois.

The flight distance (direct flight from Rapid City, SD to Montgomery, IL) is 769.47 mi.

904 mi = 1,454.81 kms