There are
1,842 mi
from La Mesa, CA to Hazelwood, MO
That's the driving distance. It would take 1 day 8 hours to go from La Mesa, California to Hazelwood, Missouri.
The flight distance (direct flight from La Mesa, CA to Hazelwood, MO) is 1,544.45 mi.
1,842 mi = 2,963.63 kms