There are
234 mi
from Lexington, KY to Smyrna, TN
That's the driving distance. It would take 4 hours 24 mins to go from Lexington, Kentucky to Smyrna, Tennessee.
The flight distance (direct flight from Lexington, KY to Smyrna, TN) is 180.47 mi.
234 mi = 376.10 kms