There are
1,996 mi
from Clarksville, TN to South Pasadena, CA
That's the driving distance. It would take 1 day 10 hours to go from Clarksville, Tennessee to South Pasadena, California.
The flight distance (direct flight from Clarksville, TN to South Pasadena, CA) is 1,736.37 mi.
1,996 mi = 3,211.82 kms