Miles between Gaithersburg, MD and Parma, OH

There are
344 mi
from Gaithersburg, MD to Parma, OH

That's the driving distance. It would take 6 hours 31 mins to go from Gaithersburg, Maryland to Parma, Ohio.

The flight distance (direct flight from Gaithersburg, MD to Parma, OH) is 284.94 mi.

344 mi = 553.65 kms