There are
1,783 mi
from San Clemente, CA to Natchez, MS
That's the driving distance. It would take 1 day 6 hours to go from San Clemente, California to Natchez, Mississippi.
The flight distance (direct flight from San Clemente, CA to Natchez, MS) is 1,528.77 mi.
1,783 mi = 2,869.16 kms