There are
2,668 mi
from Hayward, CA to Tonawanda, NY
That's the driving distance. It would take 1 day 22 hours to go from Hayward, California to Tonawanda, New York.
The flight distance (direct flight from Hayward, CA to Tonawanda, NY) is 2,280.76 mi.
2,668 mi = 3.22 kms