There are
266 mi
from South Bend, IN to Oshkosh, WI
That's the driving distance. It would take 5 hours 17 mins to go from South Bend, Indiana to Oshkosh, Wisconsin.
The flight distance (direct flight from South Bend, IN to Oshkosh, WI) is 199.11 mi.
266 mi = 427.60 kms