There are
2,141 mi
from Hayward, CA to Champaign, IL
That's the driving distance. It would take 1 day 13 hours to go from Hayward, California to Champaign, Illinois.
The flight distance (direct flight from Hayward, CA to Champaign, IL) is 1,816.53 mi.
2,141 mi = 3.22 kms