There are
1,577 mi
from San Clemente, CA to Lenexa, KS
That's the driving distance. It would take 1 day 4 hours to go from San Clemente, California to Lenexa, Kansas.
The flight distance (direct flight from San Clemente, CA to Lenexa, KS) is 1,327.58 mi.
1,577 mi = 2,537.43 kms