There are
2,036 mi
from Oshkosh, WI to Monrovia, CA
That's the driving distance. It would take 1 day 12 hours to go from Oshkosh, Wisconsin to Monrovia, California.
The flight distance (direct flight from Oshkosh, WI to Monrovia, CA) is 1,709.29 mi.
2,036 mi = 3,276.91 kms