There are
2,034 mi
from Oshkosh, WI to Duarte, CA
That's the driving distance. It would take 1 day 12 hours to go from Oshkosh, Wisconsin to Duarte, California.
The flight distance (direct flight from Oshkosh, WI to Duarte, CA) is 1,708.26 mi.
2,034 mi = 3,274.15 kms