Miles between Dayton, OH and Alton, IL

There are
356 mi
from Dayton, OH to Alton, IL

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

The flight distance (direct flight from Dayton, OH to Alton, IL) is 325.80 mi.

356 mi = 572.14 kms