Miles between Parma, OH and Gaithersburg, MD

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

That's the driving distance. It would take 6 hours 34 mins to go from Parma, Ohio to Gaithersburg, Maryland.

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

344 mi = 553.03 kms