There are
2,276 mi
from National City, CA to Chillicothe, OH
That's the driving distance. It would take 1 day 16 hours to go from National City, California to Chillicothe, Ohio.
The flight distance (direct flight from National City, CA to Chillicothe, OH) is 1,949.17 mi.
2,276 mi = 3,662.95 kms