There are
2,188 mi
from Oshkosh, WI to Newark, CA
That's the driving distance. It would take 1 day 14 hours to go from Oshkosh, Wisconsin to Newark, California.
The flight distance (direct flight from Oshkosh, WI to Newark, CA) is 1,795.71 mi.
2,188 mi = 3,520.88 kms