There are
802 mi
from Oshkosh, WI to Grenada, MS
That's the driving distance. It would take 14 hours 46 mins to go from Oshkosh, Wisconsin to Grenada, Mississippi.
The flight distance (direct flight from Oshkosh, WI to Grenada, MS) is 711.84 mi.
802 mi = 1,290.72 kms