There are
2,291 mi
from Clarksville, TN to Vallejo, CA
That's the driving distance. It would take 1 day 16 hours to go from Clarksville, Tennessee to Vallejo, California.
The flight distance (direct flight from Clarksville, TN to Vallejo, CA) is 1,909.40 mi.
2,291 mi = 3.22 kms