There are
2,007 mi
from Clarksville, TN to Lake Forest, CA
That's the driving distance. It would take 1 day 11 hours to go from Clarksville, Tennessee to Lake Forest, California.
The flight distance (direct flight from Clarksville, TN to Lake Forest, CA) is 1,719.12 mi.
2,007 mi = 3.22 kms