There are
2,054 mi
from Garden Grove, CA to Oshkosh, WI
That's the driving distance. It would take 1 day 12 hours to go from Garden Grove, California to Oshkosh, Wisconsin.
The flight distance (direct flight from Garden Grove, CA to Oshkosh, WI) is 1,720.16 mi.
2,054 mi = 3.22 kms