Miles between Dayton, OH and St Marys, PA

There are
380 mi
from Dayton, OH to St Marys, PA

That's the driving distance. It would take 7 hours 18 mins to go from Dayton, Ohio to St Marys, Pennsylvania.

The flight distance (direct flight from Dayton, OH to St Marys, PA) is 318.16 mi.

380 mi = 611.92 kms