There are
258 mi
from Oshkosh, WI to Pontiac, IL
That's the driving distance. It would take 5 hours 2 mins to go from Oshkosh, Wisconsin to Pontiac, Illinois.
The flight distance (direct flight from Oshkosh, WI to Pontiac, IL) is 217.26 mi.
258 mi = 414.82 kms