Miles between Green Bay, WI and Decatur, IL

There are
373 mi
from Green Bay, WI to Decatur, IL

That's the driving distance. It would take 7 hours 8 mins to go from Green Bay, Wisconsin to Decatur, Illinois.

The flight distance (direct flight from Green Bay, WI to Decatur, IL) is 326.80 mi.

373 mi = 600.36 kms