There are
731 mi
from Clarksville, TN to New Port Richey, FL
That's the driving distance. It would take 13 hours 58 mins to go from Clarksville, Tennessee to New Port Richey, Florida.
The flight distance (direct flight from Clarksville, TN to New Port Richey, FL) is 633.04 mi.
731 mi = 1,175.85 kms