There are
2,053 mi
from Pleasanton, CA to Hazelwood, MO
That's the driving distance. It would take 1 day 11 hours to go from Pleasanton, California to Hazelwood, Missouri.
The flight distance (direct flight from Pleasanton, CA to Hazelwood, MO) is 1,703.45 mi.
2,053 mi = 3,303.75 kms