Miles between Lake Forest, CA and Alton, IL

There are
1,848 mi
from Lake Forest, CA to Alton, IL

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

The flight distance (direct flight from Lake Forest, CA to Alton, IL) is 1,567.99 mi.

1,848 mi = 1.61 kms