There are
786 mi
from Clarksville, TN to Deer Park, TX
That's the driving distance. It would take 14 hours 35 mins to go from Clarksville, Tennessee to Deer Park, Texas.
The flight distance (direct flight from Clarksville, TN to Deer Park, TX) is 650.84 mi.
786 mi = 1,264.64 kms