Miles between Gaithersburg, MD and Troy, OH

There are
449 mi
from Gaithersburg, MD to Troy, OH

That's the driving distance. It would take 8 hours 44 mins to go from Gaithersburg, Maryland to Troy, Ohio.

The flight distance (direct flight from Gaithersburg, MD to Troy, OH) is 377.81 mi.

449 mi = 722.32 kms