There are
2,618 mi
from Hayward, CA to Dunkirk, NY
That's the driving distance. It would take 1 day 21 hours to go from Hayward, California to Dunkirk, New York.
The flight distance (direct flight from Hayward, CA to Dunkirk, NY) is 2,260.18 mi.
2,618 mi = 3.22 kms