There are
2,162 mi
from Oshkosh, WI to Oakland, CA
That's the driving distance. It would take 1 day 13 hours to go from Oshkosh, Wisconsin to Oakland, California.
The flight distance (direct flight from Oshkosh, WI to Oakland, CA) is 1,799.20 mi.
2,162 mi = 3,480.17 kms