There are
2,197 mi
from Oshkosh, WI to Menlo Park, CA
That's the driving distance. It would take 1 day 14 hours to go from Oshkosh, Wisconsin to Menlo Park, California.
The flight distance (direct flight from Oshkosh, WI to Menlo Park, CA) is 1,804.99 mi.
2,197 mi = 3,535.19 kms