There are
168 mi
from Oshkosh, WI to Schaumburg, IL
That's the driving distance. It would take 3 hours 20 mins to go from Oshkosh, Wisconsin to Schaumburg, Illinois.
The flight distance (direct flight from Oshkosh, WI to Schaumburg, IL) is 139.53 mi.
168 mi = 270.96 kms