There are
1,983 mi
from Clarksville, TN to Lancaster, CA
That's the driving distance. It would take 1 day 10 hours to go from Clarksville, Tennessee to Lancaster, California.
The flight distance (direct flight from Clarksville, TN to Lancaster, CA) is 1,727.17 mi.
1,983 mi = 3,191.87 kms