There are
2,082 mi
from Hayward, CA to Collinsville, IL
That's the driving distance. It would take 1 day 12 hours to go from Hayward, California to Collinsville, Illinois.
The flight distance (direct flight from Hayward, CA to Collinsville, IL) is 1,735.93 mi.
2,082 mi = 3.22 kms