There are
2,277 mi
from San Diego, CA to Chillicothe, OH
That's the driving distance. It would take 1 day 16 hours to go from San Diego, California to Chillicothe, Ohio.
The flight distance (direct flight from San Diego, CA to Chillicothe, OH) is 1,951.24 mi.
2,277 mi = 3.22 kms