There are
2,173 mi
from Oshkosh, WI to San Leandro, CA
That's the driving distance. It would take 1 day 14 hours to go from Oshkosh, Wisconsin to San Leandro, California.
The flight distance (direct flight from Oshkosh, WI to San Leandro, CA) is 1,795.79 mi.
2,173 mi = 3,497.08 kms