There are
1,975 mi
from Downey, CA to Machesney Park, IL
That's the driving distance. It would take 1 day 10 hours to go from Downey, California to Machesney Park, Illinois.
The flight distance (direct flight from Downey, CA to Machesney Park, IL) is 1,674.30 mi.
1,975 mi = 1.61 kms