Miles between Gaithersburg, MD and Defiance, OH

There are
490 mi
from Gaithersburg, MD to Defiance, OH

That's the driving distance. It would take 9 hours 8 mins to go from Gaithersburg, Maryland to Defiance, Ohio.

The flight distance (direct flight from Gaithersburg, MD to Defiance, OH) is 405.28 mi.

490 mi = 788.85 kms