There are
2,043 mi
from Oshkosh, WI to Rosemead, CA
That's the driving distance. It would take 1 day 12 hours to go from Oshkosh, Wisconsin to Rosemead, California.
The flight distance (direct flight from Oshkosh, WI to Rosemead, CA) is 1,715.08 mi.
2,043 mi = 3,288.64 kms