There are
2,131 mi
from Oceanside, CA to Mishawaka, IN
That's the driving distance. It would take 1 day 13 hours to go from Oceanside, California to Mishawaka, Indiana.
The flight distance (direct flight from Oceanside, CA to Mishawaka, IN) is 1,798.47 mi.
2,131 mi = 3.22 kms