Miles between Dayton, OH and Dekalb, IL

There are
349 mi
from Dayton, OH to Dekalb, IL

That's the driving distance. It would take 6 hours 49 mins to go from Dayton, Ohio to Dekalb, Illinois.

The flight distance (direct flight from Dayton, OH to Dekalb, IL) is 281.49 mi.

349 mi = 561.14 kms