Miles between St Louis, MO and Round Lake Beach, IL

There are
328 mi
from St Louis, MO to Round Lake Beach, IL

That's the driving distance. It would take 6 hours 16 mins to go from St Louis, Missouri to Round Lake Beach, Illinois.

The flight distance (direct flight from St Louis, MO to Round Lake Beach, IL) is 281.44 mi.

328 mi = 527.30 kms