There are
1,998 mi
from Monterey Park, CA to Lemont, IL
That's the driving distance. It would take 1 day 10 hours to go from Monterey Park, California to Lemont, Illinois.
The flight distance (direct flight from Monterey Park, CA to Lemont, IL) is 1,714.89 mi.
1,998 mi = 3,216.23 kms