There are
531 mi
from Clarksville, TN to Pascagoula, MS
That's the driving distance. It would take 9 hours 47 mins to go from Clarksville, Tennessee to Pascagoula, Mississippi.
The flight distance (direct flight from Clarksville, TN to Pascagoula, MS) is 431.43 mi.
531 mi = 854.01 kms