Miles between San Bernardino, CA and Alton, IL

There are
1,803 mi
from San Bernardino, CA to Alton, IL

That's the driving distance. It would take 1 day 7 hours to go from San Bernardino, California to Alton, Illinois.

The flight distance (direct flight from San Bernardino, CA to Alton, IL) is 1,535.27 mi.

1,803 mi = 1.61 kms