There are
2,301 mi
from Clarksville, TN to Pleasant Hill, CA
That's the driving distance. It would take 1 day 16 hours to go from Clarksville, Tennessee to Pleasant Hill, California.
The flight distance (direct flight from Clarksville, TN to Pleasant Hill, CA) is 1,900.29 mi.
2,301 mi = 3.22 kms