There are
509 mi
from Oshkosh, WI to Omaha, NE
That's the driving distance. It would take 9 hours 57 mins to go from Oshkosh, Wisconsin to Omaha, Nebraska.
The flight distance (direct flight from Oshkosh, WI to Omaha, NE) is 424.38 mi.
509 mi = 818.35 kms