There are
2,128 mi
from Hayward, CA to Elmhurst, IL
That's the driving distance. It would take 1 day 12 hours to go from Hayward, California to Elmhurst, Illinois.
The flight distance (direct flight from Hayward, CA to Elmhurst, IL) is 1,823.82 mi.
2,128 mi = 3.22 kms