There are
2,094 mi
from Oceanside, CA to Seymour, IN
That's the driving distance. It would take 1 day 13 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.
2,094 mi = 3,370.54 kms