There are
693 mi
from Trenton, NJ to Clarksville, IN
That's the driving distance. It would take 13 hours 10 mins to go from Trenton, New Jersey to Clarksville, Indiana.
The flight distance (direct flight from Trenton, NJ to Clarksville, IN) is 603.73 mi.
693 mi = 1,115.90 kms