There are
2,048 mi
from Hayward, CA to Chesterfield, MO
That's the driving distance. It would take 1 day 11 hours to go from Hayward, California to Chesterfield, Missouri.
The flight distance (direct flight from Hayward, CA to Chesterfield, MO) is 1,704.33 mi.
2,048 mi = 3.22 kms