There are
1,620 mi
from Downey, CA to Leawood, KS
That's the driving distance. It would take 1 day 4 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.
1,620 mi = 1.61 kms