There are
2,366 mi
from Hayward, CA to Trotwood, OH
That's the driving distance. It would take 1 day 17 hours to go from Hayward, California to Trotwood, Ohio.
The flight distance (direct flight from Hayward, CA to Trotwood, OH) is 2,025.91 mi.
2,366 mi = 3.22 kms