There are
2,089 mi
from Oshkosh, WI to Carlsbad, CA
That's the driving distance. It would take 1 day 13 hours to go from Oshkosh, Wisconsin to Carlsbad, California.
The flight distance (direct flight from Oshkosh, WI to Carlsbad, CA) is 1,715.49 mi.
2,089 mi = 3,362.65 kms