There are
1,637 mi
from Santa Monica, CA to Leawood, KS
That's the driving distance. It would take 1 day 4 hours to go from Santa Monica, California to Leawood, Kansas.
The flight distance (direct flight from Santa Monica, CA to Leawood, KS) is 1,365.08 mi.
1,637 mi = 1.61 kms