Miles between Knoxville, TN and Gaithersburg, MD

There are
496 mi
from Knoxville, TN to Gaithersburg, MD

That's the driving distance. It would take 9 hours 8 mins to go from Knoxville, Tennessee to Gaithersburg, Maryland.

The flight distance (direct flight from Knoxville, TN to Gaithersburg, MD) is 428.58 mi.

496 mi = 798.46 kms