There are
2,060 mi
from Oshkosh, WI to Newport Beach, CA
That's the driving distance. It would take 1 day 12 hours to go from Oshkosh, Wisconsin to Newport Beach, California.
The flight distance (direct flight from Oshkosh, WI to Newport Beach, CA) is 1,725.44 mi.
2,060 mi = 3,314.48 kms