There are
2,905 mi
from Hayward, CA to Plainfield, NJ
That's the driving distance. It would take 2 days 3 hours to go from Hayward, California to Plainfield, New Jersey.
The flight distance (direct flight from Hayward, CA to Plainfield, NJ) is 2,531.30 mi.
2,905 mi = 3.22 kms