There are
1,290 mi
from San Antonio, TX to Chillicothe, OH
That's the driving distance. It would take 23 hours 23 mins to go from San Antonio, Texas to Chillicothe, Ohio.
The flight distance (direct flight from San Antonio, TX to Chillicothe, OH) is 1,115.74 mi.
1,290 mi = 1.61 kms