There are
598 mi
from Oshkosh, WI to Tonawanda, NY
That's the driving distance. It would take 12 hours 18 mins to go from Oshkosh, Wisconsin to Tonawanda, New York.
The flight distance (direct flight from Oshkosh, WI to Tonawanda, NY) is 490.52 mi.
598 mi = 962.10 kms