There are
169 mi
from Oshkosh, WI to Elgin, IL
That's the driving distance. It would take 3 hours 31 mins to go from Oshkosh, Wisconsin to Elgin, Illinois.
The flight distance (direct flight from Oshkosh, WI to Elgin, IL) is 137.95 mi.
169 mi = 271.29 kms