There are
790 mi
from Knoxville, TN to Naugatuck, CT
That's the driving distance. It would take 15 hours 10 mins to go from Knoxville, Tennessee to Naugatuck, Connecticut.
The flight distance (direct flight from Knoxville, TN to Naugatuck, CT) is 698.49 mi.
790 mi = 1,271.43 kms