Miles between Dayton, OH and Round Lake, IL

There are
337 mi
from Dayton, OH to Round Lake, IL

That's the driving distance. It would take 6 hours 43 mins to go from Dayton, Ohio to Round Lake, Illinois.

The flight distance (direct flight from Dayton, OH to Round Lake, IL) is 270.98 mi.

337 mi = 542.69 kms