Miles between Bethlehem, PA and Gaithersburg, MD

There are
187 mi
from Bethlehem, PA to Gaithersburg, MD

That's the driving distance. It would take 4 hours 1 min to go from Bethlehem, Pennsylvania to Gaithersburg, Maryland.

The flight distance (direct flight from Bethlehem, PA to Gaithersburg, MD) is 141.11 mi.

187 mi = 300.71 kms