There are
2,172 mi
from Oshkosh, WI to Patterson, CA
That's the driving distance. It would take 1 day 13 hours to go from Oshkosh, Wisconsin to Patterson, California.
The flight distance (direct flight from Oshkosh, WI to Patterson, CA) is 1,752.28 mi.
2,172 mi = 3,495.52 kms