There are
2,120 mi
from Hayward, CA to Downers Grove, IL
That's the driving distance. It would take 1 day 12 hours to go from Hayward, California to Downers Grove, Illinois.
The flight distance (direct flight from Hayward, CA to Downers Grove, IL) is 1,820.43 mi.
2,120 mi = 3.22 kms