There are
412 mi
from Oshkosh, WI to Ann Arbor, MI
That's the driving distance. It would take 7 hours 52 mins to go from Oshkosh, Wisconsin to Ann Arbor, Michigan.
The flight distance (direct flight from Oshkosh, WI to Ann Arbor, MI) is 270.21 mi.
412 mi = 662.89 kms