There are
169 mi
from Oshkosh, WI to Bartlett, IL
That's the driving distance. It would take 3 hours 31 mins to go from Oshkosh, Wisconsin to Bartlett, Illinois.
The flight distance (direct flight from Oshkosh, WI to Bartlett, IL) is 141.39 mi.
169 mi = 271.42 kms