There are
2,158 mi
from Pittsburg, CA to Oshkosh, WI
That's the driving distance. It would take 1 day 13 hours to go from Pittsburg, California to Oshkosh, Wisconsin.
The flight distance (direct flight from Pittsburg, CA to Oshkosh, WI) is 1,773.66 mi.
2,158 mi = 3,472.33 kms