Miles between Downey, CA and Alton, IL

There are
1,846 mi
from Downey, CA to Alton, IL

That's the driving distance. It would take 1 day 8 hours to go from Downey, California to Alton, Illinois.

The flight distance (direct flight from Downey, CA to Alton, IL) is 1,584.57 mi.

1,846 mi = 1.61 kms