There are
2,248 mi
from Monterey Park, CA to Chillicothe, OH
That's the driving distance. It would take 1 day 15 hours to go from Monterey Park, California to Chillicothe, Ohio.
The flight distance (direct flight from Monterey Park, CA to Chillicothe, OH) is 1,967.75 mi.
2,248 mi = 3,618.46 kms