There are
439 mi
from Clarksville, TN to New Lenox, IL
That's the driving distance. It would take 8 hours 14 mins to go from Clarksville, Tennessee to New Lenox, Illinois.
The flight distance (direct flight from Clarksville, TN to New Lenox, IL) is 345.77 mi.
439 mi = 706.08 kms