There are
2,281 mi
from Carlsbad, CA to Circleville, OH
That's the driving distance. It would take 1 day 16 hours to go from Carlsbad, California to Circleville, Ohio.
The flight distance (direct flight from Carlsbad, CA to Circleville, OH) is 1,952.28 mi.
2,281 mi = 3,671.48 kms