There are
2,022 mi
from Downey, CA to Calumet City, IL
That's the driving distance. It would take 1 day 11 hours to go from Downey, California to Calumet City, Illinois.
The flight distance (direct flight from Downey, CA to Calumet City, IL) is 1,742.82 mi.
2,022 mi = 3.22 kms