Miles between Gaithersburg, MD and Barnstable, MA

There are
480 mi
from Gaithersburg, MD to Barnstable, MA

That's the driving distance. It would take 10 hours 6 mins to go from Gaithersburg, Maryland to Barnstable, Massachusetts.

The flight distance (direct flight from Gaithersburg, MD to Barnstable, MA) is 403.54 mi.

480 mi = 772.63 kms