There are
2,184 mi
from Union City, CA to Oshkosh, WI
That's the driving distance. It would take 1 day 14 hours to go from Union City, California to Oshkosh, Wisconsin.
The flight distance (direct flight from Union City, CA to Oshkosh, WI) is 1,794.19 mi.
2,184 mi = 3.22 kms