There are
2,413 mi
from Antioch, CA to Westerville, OH
That's the driving distance. It would take 1 day 18 hours to go from Antioch, California to Westerville, Ohio.
The flight distance (direct flight from Antioch, CA to Westerville, OH) is 2,074.11 mi.
2,413 mi = 3,883.11 kms