Miles between Dayton, OH and Mt Prospect, IL

There are
313 mi
from Dayton, OH to Mt Prospect, IL

That's the driving distance. It would take 6 hours 13 mins to go from Dayton, Ohio to Mt Prospect, Illinois.

The flight distance (direct flight from Dayton, OH to Mt Prospect, IL) is 252.28 mi.

313 mi = 503.43 kms