There are
1,683 mi
from San Clemente, CA to Lebanon, MO
That's the driving distance. It would take 1 day 5 hours to go from San Clemente, California to Lebanon, Missouri.
The flight distance (direct flight from San Clemente, CA to Lebanon, MO) is 1,428.35 mi.
1,683 mi = 2,708.21 kms