Miles between New Haven, CT and Gaithersburg, MD

There are
307 mi
from New Haven, CT to Gaithersburg, MD

That's the driving distance. It would take 6 hours 27 mins to go from New Haven, Connecticut to Gaithersburg, Maryland.

The flight distance (direct flight from New Haven, CT to Gaithersburg, MD) is 270.48 mi.

307 mi = 494.78 kms