Miles between Gaithersburg, MD and Watertown, MA

There are
435 mi
from Gaithersburg, MD to Watertown, MA

That's the driving distance. It would take 9 hours to go from Gaithersburg, Maryland to Watertown, Massachusetts.

The flight distance (direct flight from Gaithersburg, MD to Watertown, MA) is 385.78 mi.

435 mi = 699.27 kms