There are
1,829 mi
from Downey, CA to Hazelwood, MO
That's the driving distance. It would take 1 day 7 hours to go from Downey, California to Hazelwood, Missouri.
The flight distance (direct flight from Downey, CA to Hazelwood, MO) is 1,574.02 mi.
1,829 mi = 2,943.00 kms