There are
1,629 mi
from Santa Monica, CA to Lenexa, KS
That's the driving distance. It would take 1 day 4 hours to go from Santa Monica, California to Lenexa, Kansas.
The flight distance (direct flight from Santa Monica, CA to Lenexa, KS) is 1,358.75 mi.
1,629 mi = 1.61 kms