There are
2,298 mi
from Clarksville, TN to San Bruno, CA
That's the driving distance. It would take 1 day 16 hours to go from Clarksville, Tennessee to San Bruno, California.
The flight distance (direct flight from Clarksville, TN to San Bruno, CA) is 1,922.34 mi.
2,298 mi = 3.22 kms