There are
2,208 mi
from Knoxville, TN to San Clemente, CA
That's the driving distance. It would take 1 day 14 hours to go from Knoxville, Tennessee to San Clemente, California.
The flight distance (direct flight from Knoxville, TN to San Clemente, CA) is 1,912.48 mi.
2,208 mi = 3.22 kms