There are
1,557 mi
from Downey, CA to Lenexa, KS
That's the driving distance. It would take 1 day 3 hours to go from Downey, California to Lenexa, Kansas.
The flight distance (direct flight from Downey, CA to Lenexa, KS) is 1,341.69 mi.
1,557 mi = 2,506.50 kms