There are
511 mi
from Parma, OH to Oshkosh, WI
That's the driving distance. It would take 9 hours 42 mins to go from Parma, Ohio to Oshkosh, Wisconsin.
The flight distance (direct flight from Parma, OH to Oshkosh, WI) is 390.50 mi.
511 mi = 821.81 kms