There are
2,022 mi
from Riverside, CA to Oshkosh, WI
That's the driving distance. It would take 1 day 11 hours to go from Riverside, California to Oshkosh, Wisconsin.
The flight distance (direct flight from Riverside, CA to Oshkosh, WI) is 1,687.18 mi.
2,022 mi = 3.22 kms