There are
2,468 mi
from Palo Alto, CA to Chillicothe, OH
That's the driving distance. It would take 1 day 19 hours to go from Palo Alto, California to Chillicothe, Ohio.
The flight distance (direct flight from Palo Alto, CA to Chillicothe, OH) is 2,108.26 mi.
2,468 mi = 3,971.90 kms