There are
186 mi
from Oshkosh, WI to Warrenville, IL
That's the driving distance. It would take 3 hours 39 mins to go from Oshkosh, Wisconsin to Warrenville, Illinois.
The flight distance (direct flight from Oshkosh, WI to Warrenville, IL) is 153.62 mi.
186 mi = 298.76 kms