Miles between Knoxville, TN and Rockville, MD

There are
491 mi
from Knoxville, TN to Rockville, MD

That's the driving distance. It would take 9 hours 1 min to go from Knoxville, Tennessee to Rockville, Maryland.

The flight distance (direct flight from Knoxville, TN to Rockville, MD) is 428.91 mi.

491 mi = 789.70 kms