There are
726 mi
from Oshkosh, WI to Maryville, TN
That's the driving distance. It would take 13 hours 55 mins to go from Oshkosh, Wisconsin to Maryville, Tennessee.
The flight distance (direct flight from Oshkosh, WI to Maryville, TN) is 620.30 mi.
726 mi = 1,168.85 kms