Miles between Gaithersburg, MD and Mequon, WI

There are
778 mi
from Gaithersburg, MD to Mequon, WI

That's the driving distance. It would take 14 hours 41 mins to go from Gaithersburg, Maryland to Mequon, Wisconsin.

The flight distance (direct flight from Gaithersburg, MD to Mequon, WI) is 627.49 mi.

778 mi = 1,251.84 kms