There are
2,136 mi
from Hayward, CA to Kankakee, IL
That's the driving distance. It would take 1 day 13 hours to go from Hayward, California to Kankakee, Illinois.
The flight distance (direct flight from Hayward, CA to Kankakee, IL) is 1,830.77 mi.
2,136 mi = 3.22 kms