There are
831 mi
from Tulsa, OK to Oshkosh, WI
That's the driving distance. It would take 15 hours 21 mins to go from Tulsa, Oklahoma to Oshkosh, Wisconsin.
The flight distance (direct flight from Tulsa, OK to Oshkosh, WI) is 670.80 mi.
831 mi = 1,338.01 kms