Miles between Costa Mesa, CA and Montgomery, IL

There are
1,990 mi
from Costa Mesa, CA to Montgomery, IL

That's the driving distance. It would take 1 day 10 hours to go from Costa Mesa, California to Montgomery, Illinois.

The flight distance (direct flight from Costa Mesa, CA to Montgomery, IL) is 1,700.89 mi.

1,990 mi = 1.61 kms