Miles between Rapid City, SD and Sycamore, IL

There are
863 mi
from Rapid City, SD to Sycamore, IL

That's the driving distance. It would take 14 hours 55 mins to go from Rapid City, South Dakota to Sycamore, Illinois.

The flight distance (direct flight from Rapid City, SD to Sycamore, IL) is 747.56 mi.

863 mi = 1,389.01 kms