Miles between Gaithersburg, MD and Lilburn, GA

There are
639 mi
from Gaithersburg, MD to Lilburn, GA

That's the driving distance. It would take 12 hours 15 mins to go from Gaithersburg, Maryland to Lilburn, Georgia.

The flight distance (direct flight from Gaithersburg, MD to Lilburn, GA) is 529.14 mi.

639 mi = 1,028.46 kms