There are
2,160 mi
from Oshkosh, WI to Petaluma, CA
That's the driving distance. It would take 1 day 13 hours to go from Oshkosh, Wisconsin to Petaluma, California.
The flight distance (direct flight from Oshkosh, WI to Petaluma, CA) is 1,805.28 mi.
2,160 mi = 3,476.56 kms