There are
2,050 mi
from Oshkosh, WI to Auburn, CA
That's the driving distance. It would take 1 day 11 hours to go from Oshkosh, Wisconsin to Auburn, California.
The flight distance (direct flight from Oshkosh, WI to Auburn, CA) is 1,709.75 mi.
2,050 mi = 3,299.03 kms