There are
2,042 mi
from Oshkosh, WI to Placentia, CA
That's the driving distance. It would take 1 day 12 hours to go from Oshkosh, Wisconsin to Placentia, California.
The flight distance (direct flight from Oshkosh, WI to Placentia, CA) is 1,713.05 mi.
2,042 mi = 3,287.00 kms