Miles between South Bend, IN and Alton, IL

There are
353 mi
from South Bend, IN to Alton, IL

That's the driving distance. It would take 6 hours 49 mins to go from South Bend, Indiana to Alton, Illinois.

The flight distance (direct flight from South Bend, IN to Alton, IL) is 283.19 mi.

353 mi = 568.15 kms