Miles between Sioux Falls, SD and Round Lake Beach, IL

There are
531 mi
from Sioux Falls, SD to Round Lake Beach, IL

That's the driving distance. It would take 9 hours 44 mins to go from Sioux Falls, South Dakota to Round Lake Beach, Illinois.

The flight distance (direct flight from Sioux Falls, SD to Round Lake Beach, IL) is 442.70 mi.

531 mi = 854.82 kms