There are
1,990 mi
from Upland, CA to Mundelein, IL
That's the driving distance. It would take 1 day 10 hours to go from Upland, California to Mundelein, Illinois.
The flight distance (direct flight from Upland, CA to Mundelein, IL) is 1,695.75 mi.
1,990 mi = 1.61 kms