There are
2,081 mi
from Vista, CA to Oshkosh, WI
That's the driving distance. It would take 1 day 13 hours to go from Vista, California to Oshkosh, Wisconsin.
The flight distance (direct flight from Vista, CA to Oshkosh, WI) is 1,708.70 mi.
2,081 mi = 3.22 kms