There are
351 mi
from Knoxville, TN to Dyersburg, TN
That's the driving distance. It would take 6 hours 29 mins to go from Knoxville, Tennessee to Dyersburg, Tennessee.
The flight distance (direct flight from Knoxville, TN to Dyersburg, TN) is 305.49 mi.
351 mi = 564.88 kms