Miles between St Louis, MO and Dayton, OH

There are
354 mi
from St Louis, MO to Dayton, OH

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

The flight distance (direct flight from St Louis, MO to Dayton, OH) is 331.01 mi.

354 mi = 570.29 kms