There are
172 mi
from Oshkosh, WI to Addison, IL
That's the driving distance. It would take 3 hours 21 mins to go from Oshkosh, Wisconsin to Addison, Illinois.
The flight distance (direct flight from Oshkosh, WI to Addison, IL) is 147.29 mi.
172 mi = 276.07 kms