Miles between Dayton, OH and Mt Vernon, IL

There are
322 mi
from Dayton, OH to Mt Vernon, IL

That's the driving distance. It would take 6 hours 7 mins to go from Dayton, Ohio to Mt Vernon, Illinois.

The flight distance (direct flight from Dayton, OH to Mt Vernon, IL) is 271.72 mi.

322 mi = 517.72 kms