There are
2,142 mi
from Oshkosh, WI to Santa Barbara, CA
That's the driving distance. It would take 1 day 14 hours to go from Oshkosh, Wisconsin to Santa Barbara, California.
The flight distance (direct flight from Oshkosh, WI to Santa Barbara, CA) is 1,781.56 mi.
2,142 mi = 3,447.08 kms