There are
2,280 mi
from Clarksville, TN to Hayward, CA
That's the driving distance. It would take 1 day 16 hours to go from Clarksville, Tennessee to Hayward, California.
The flight distance (direct flight from Clarksville, TN to Hayward, CA) is 1,904.09 mi.
2,280 mi = 3.22 kms