There are
1,566 mi
from Downey, CA to Leawood, KS
That's the driving distance. It would take 1 day 3 hours to go from Downey, California to Leawood, Kansas.
The flight distance (direct flight from Downey, CA to Leawood, KS) is 1,348.03 mi.
1,566 mi = 2,519.90 kms