Miles between Costa Mesa, CA and Alton, IL

There are
1,855 mi
from Costa Mesa, CA to Alton, IL

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

The flight distance (direct flight from Costa Mesa, CA to Alton, IL) is 1,580.47 mi.

1,855 mi = 1.61 kms