There are
138 mi
from Clarksville, TN to Elizabethtown, KY
That's the driving distance. It would take 2 hours 50 mins to go from Clarksville, Tennessee to Elizabethtown, Kentucky.
The flight distance (direct flight from Clarksville, TN to Elizabethtown, KY) is 115.55 mi.
138 mi = 222.68 kms