There are
2,091 mi
from Oshkosh, WI to Oroville, CA
That's the driving distance. It would take 1 day 12 hours to go from Oshkosh, Wisconsin to Oroville, California.
The flight distance (direct flight from Oshkosh, WI to Oroville, CA) is 1,717.65 mi.
2,091 mi = 3,365.42 kms