There are
760 mi
from Oshkosh, WI to Tupelo, MS
That's the driving distance. It would take 14 hours 34 mins to go from Oshkosh, Wisconsin to Tupelo, Mississippi.
The flight distance (direct flight from Oshkosh, WI to Tupelo, MS) is 674.90 mi.
760 mi = 1,222.71 kms