Miles between Dayton, OH and Mt Vernon, NY

There are
641 mi
from Dayton, OH to Mt Vernon, NY

That's the driving distance. It would take 12 hours 5 mins to go from Dayton, Ohio to Mt Vernon, New York.

The flight distance (direct flight from Dayton, OH to Mt Vernon, NY) is 550.80 mi.

641 mi = 1,031.65 kms