There are
1,998 mi
from Clarksville, TN to Pasadena, CA
That's the driving distance. It would take 1 day 11 hours to go from Clarksville, Tennessee to Pasadena, California.
The flight distance (direct flight from Clarksville, TN to Pasadena, CA) is 1,735.55 mi.
1,998 mi = 1.61 kms