There are
2,143 mi
from Antioch, CA to Oshkosh, WI
That's the driving distance. It would take 1 day 13 hours to go from Antioch, California to Oshkosh, Wisconsin.
The flight distance (direct flight from Antioch, CA to Oshkosh, WI) is 1,770.40 mi.
2,143 mi = 3.22 kms