There are
1,285 mi
from Rapid City, SD to Chillicothe, OH
That's the driving distance. It would take 22 hours 47 mins to go from Rapid City, South Dakota to Chillicothe, Ohio.
The flight distance (direct flight from Rapid City, SD to Chillicothe, OH) is 1,091.49 mi.
1,285 mi = 2,068.76 kms