Miles between Oceanside, CA and San Marcos, TX

There are
1,322 mi
from Oceanside, CA to San Marcos, TX

That's the driving distance. It would take 22 hours 45 mins to go from Oceanside, California to San Marcos, Texas.

The flight distance (direct flight from Oceanside, CA to San Marcos, TX) is 1,165.46 mi.

1,322 mi = 1.61 kms