There are
405 mi
from Clarksville, TN to Pataskala, OH
That's the driving distance. It would take 7 hours 59 mins to go from Clarksville, Tennessee to Pataskala, Ohio.
The flight distance (direct flight from Clarksville, TN to Pataskala, OH) is 349.11 mi.
405 mi = 651.61 kms