There are
2,182 mi
from Santa Maria, CA to Oshkosh, WI
That's the driving distance. It would take 1 day 15 hours to go from Santa Maria, California to Oshkosh, Wisconsin.
The flight distance (direct flight from Santa Maria, CA to Oshkosh, WI) is 1,798.90 mi.
2,182 mi = 3.22 kms