Miles between San Mateo, CA and Alton, IL

There are
2,083 mi
from San Mateo, CA to Alton, IL

That's the driving distance. It would take 1 day 12 hours to go from San Mateo, California to Alton, Illinois.

The flight distance (direct flight from San Mateo, CA to Alton, IL) is 1,737.96 mi.

2,083 mi = 3.22 kms