There are
2,014 mi
from Irvine, CA to Mt Prospect, IL
That's the driving distance. It would take 1 day 11 hours to go from Irvine, California to Mt Prospect, Illinois.
The flight distance (direct flight from Irvine, CA to Mt Prospect, IL) is 1,717.81 mi.
2,014 mi = 3.22 kms