There are
1,746 mi
from Hayward, CA to Maryville, MO
That's the driving distance. It would take 1 day 5 hours to go from Hayward, California to Maryville, Missouri.
The flight distance (direct flight from Hayward, CA to Maryville, MO) is 1,466.63 mi.
1,746 mi = 1.61 kms