There are
2,191 mi
from Oshkosh, WI to San Carlos, CA
That's the driving distance. It would take 1 day 14 hours to go from Oshkosh, Wisconsin to San Carlos, California.
The flight distance (direct flight from Oshkosh, WI to San Carlos, CA) is 1,807.34 mi.
2,191 mi = 3,525.31 kms