Miles between Gaithersburg, MD and Dayton, OH

There are
445 mi
from Gaithersburg, MD to Dayton, OH

That's the driving distance. It would take 8 hours 36 mins to go from Gaithersburg, Maryland to Dayton, Ohio.

The flight distance (direct flight from Gaithersburg, MD to Dayton, OH) is 375.26 mi.

445 mi = 716.20 kms