There are
585 mi
from Olathe, KS to Oshkosh, WI
That's the driving distance. It would take 11 hours 27 mins to go from Olathe, Kansas to Oshkosh, Wisconsin.
The flight distance (direct flight from Olathe, KS to Oshkosh, WI) is 481.30 mi.
585 mi = 942.27 kms