Miles between Riverside, CA and Alton, IL

There are
1,810 mi
from Riverside, CA to Alton, IL

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

The flight distance (direct flight from Riverside, CA to Alton, IL) is 1,544.71 mi.

1,810 mi = 2,913.40 kms