There are
2,075 mi
from Oshkosh, WI to Rancho Mirage, CA
That's the driving distance. It would take 1 day 12 hours to go from Oshkosh, Wisconsin to Rancho Mirage, California.
The flight distance (direct flight from Oshkosh, WI to Rancho Mirage, CA) is 1,648.18 mi.
2,075 mi = 3,339.62 kms