There are
2,052 mi
from Santa Ana, CA to Oshkosh, WI
That's the driving distance. It would take 1 day 12 hours to go from Santa Ana, California to Oshkosh, Wisconsin.
The flight distance (direct flight from Santa Ana, CA to Oshkosh, WI) is 1,717.72 mi.
2,052 mi = 3.22 kms