There are
2,410 mi
from Vallejo, CA to Chillicothe, OH
That's the driving distance. It would take 1 day 18 hours to go from Vallejo, California to Chillicothe, Ohio.
The flight distance (direct flight from Vallejo, CA to Chillicothe, OH) is 2,102.18 mi.
2,410 mi = 3.22 kms