Miles between Reading, PA and Gaithersburg, MD

There are
144 mi
from Reading, PA to Gaithersburg, MD

That's the driving distance. It would take 3 hours 8 mins to go from Reading, Pennsylvania to Gaithersburg, Maryland.

The flight distance (direct flight from Reading, PA to Gaithersburg, MD) is 106.63 mi.

144 mi = 231.44 kms