Miles between Dayton, OH and Round Lake Beach, IL

There are
339 mi
from Dayton, OH to Round Lake Beach, IL

That's the driving distance. It would take 6 hours 45 mins to go from Dayton, Ohio to Round Lake Beach, Illinois.

The flight distance (direct flight from Dayton, OH to Round Lake Beach, IL) is 271.67 mi.

339 mi = 544.83 kms