There are
512 mi
from Gaithersburg, MD to Farragut, TN
That's the driving distance. It would take 9 hours 31 mins to go from Gaithersburg, Maryland to Farragut, Tennessee.
The flight distance (direct flight from Gaithersburg, MD to Farragut, TN) is 443.45 mi.
512 mi = 824.09 kms