There are
336 mi
from Lexington, KY to Dyersburg, TN
That's the driving distance. It would take 6 hours 14 mins to go from Lexington, Kentucky to Dyersburg, Tennessee.
The flight distance (direct flight from Lexington, KY to Dyersburg, TN) is 302.78 mi.
336 mi = 540.88 kms