There are
2,186 mi
from Oshkosh, WI to Fremont, CA
That's the driving distance. It would take 1 day 14 hours to go from Oshkosh, Wisconsin to Fremont, California.
The flight distance (direct flight from Oshkosh, WI to Fremont, CA) is 1,792.63 mi.
2,186 mi = 3,518.36 kms