Miles between Roswell, GA and Rockville, MD

There are
645 mi
from Roswell, GA to Rockville, MD

That's the driving distance. It would take 12 hours 25 mins to go from Roswell, Georgia to Rockville, Maryland.

The flight distance (direct flight from Roswell, GA to Rockville, MD) is 531.04 mi.

645 mi = 1,038.57 kms