Miles between Dayton, OH and St Charles, IL

There are
325 mi
from Dayton, OH to St Charles, IL

That's the driving distance. It would take 6 hours 32 mins to go from Dayton, Ohio to St Charles, Illinois.

The flight distance (direct flight from Dayton, OH to St Charles, IL) is 261.96 mi.

325 mi = 523.23 kms