Miles between Gaithersburg, MD and Dumont, NJ

There are
240 mi
from Gaithersburg, MD to Dumont, NJ

That's the driving distance. It would take 4 hours 55 mins to go from Gaithersburg, Maryland to Dumont, New Jersey.

The flight distance (direct flight from Gaithersburg, MD to Dumont, NJ) is 210.11 mi.

240 mi = 385.77 kms