There are
2,109 mi
from Oceanside, CA to Seymour, IN
That's the driving distance. It would take 1 day 14 hours to go from Oceanside, California to Seymour, Indiana.
The flight distance (direct flight from Oceanside, CA to Seymour, IN) is 1,793.42 mi.
2,109 mi = 3.22 kms