There are
2,282 mi
from Clarksville, TN to Union City, CA
That's the driving distance. It would take 1 day 16 hours to go from Clarksville, Tennessee to Union City, California.
The flight distance (direct flight from Clarksville, TN to Union City, CA) is 1,902.98 mi.
2,282 mi = 3,672.13 kms