There are
2,007 mi
from Boise, ID to Chillicothe, OH
That's the driving distance. It would take 1 day 11 hours to go from Boise, Idaho to Chillicothe, Ohio.
The flight distance (direct flight from Boise, ID to Chillicothe, OH) is 1,734.88 mi.
2,007 mi = 3.22 kms