There are
2,383 mi
from Carlsbad, CA to Marietta, OH
That's the driving distance. It would take 1 day 18 hours to go from Carlsbad, California to Marietta, Ohio.
The flight distance (direct flight from Carlsbad, CA to Marietta, OH) is 2,031.38 mi.
2,383 mi = 3,835.15 kms