There are
2,009 mi
from Rialto, CA to Oshkosh, WI
That's the driving distance. It would take 1 day 11 hours to go from Rialto, California to Oshkosh, Wisconsin.
The flight distance (direct flight from Rialto, CA to Oshkosh, WI) is 1,680.20 mi.
2,009 mi = 3,232.46 kms