Miles between Parma, OH and Rockville, MD

There are
349 mi
from Parma, OH to Rockville, MD

That's the driving distance. It would take 6 hours 41 mins to go from Parma, Ohio to Rockville, Maryland.

The flight distance (direct flight from Parma, OH to Rockville, MD) is 289.42 mi.

349 mi = 560.90 kms