There are
2,048 mi
from Oshkosh, WI to Montebello, CA
That's the driving distance. It would take 1 day 12 hours to go from Oshkosh, Wisconsin to Montebello, California.
The flight distance (direct flight from Oshkosh, WI to Montebello, CA) is 1,719.43 mi.
2,048 mi = 3,295.99 kms