There are
2,293 mi
from Vallejo, CA to Clarksville, IN
That's the driving distance. It would take 1 day 15 hours to go from Vallejo, California to Clarksville, Indiana.
The flight distance (direct flight from Vallejo, CA to Clarksville, IN) is 1,968.61 mi.
2,293 mi = 3.22 kms