Miles between Green Bay, WI and Alton, IL

There are
476 mi
from Green Bay, WI to Alton, IL

That's the driving distance. It would take 9 hours 1 min to go from Green Bay, Wisconsin to Alton, Illinois.

The flight distance (direct flight from Green Bay, WI to Alton, IL) is 404.57 mi.

476 mi = 765.90 kms