There are
1,941 mi
from Rocklin, CA to Hazelwood, MO
That's the driving distance. It would take 1 day 9 hours to go from Rocklin, California to Hazelwood, Missouri.
The flight distance (direct flight from Rocklin, CA to Hazelwood, MO) is 1,654.42 mi.
1,941 mi = 3,123.09 kms