There are
2,087 mi
from Oceanside, CA to Wauwatosa, WI
That's the driving distance. It would take 1 day 12 hours to go from Oceanside, California to Wauwatosa, Wisconsin.
The flight distance (direct flight from Oceanside, CA to Wauwatosa, WI) is 1,724.18 mi.
2,087 mi = 3.22 kms