Miles between Gaithersburg, MD and Alpharetta, GA

There are
643 mi
from Gaithersburg, MD to Alpharetta, GA

That's the driving distance. It would take 12 hours 27 mins to go from Gaithersburg, Maryland to Alpharetta, Georgia.

The flight distance (direct flight from Gaithersburg, MD to Alpharetta, GA) is 526.33 mi.

643 mi = 1,034.90 kms