There are
2,004 mi
from Clarksville, TN to Santee, CA
That's the driving distance. It would take 1 day 10 hours to go from Clarksville, Tennessee to Santee, California.
The flight distance (direct flight from Clarksville, TN to Santee, CA) is 1,694.98 mi.
2,004 mi = 3.22 kms