There are
2,297 mi
from Clarksville, TN to Hercules, CA
That's the driving distance. It would take 1 day 16 hours to go from Clarksville, Tennessee to Hercules, California.
The flight distance (direct flight from Clarksville, TN to Hercules, CA) is 1,911.93 mi.
2,297 mi = 3.22 kms