There are
1,460 mi
from Rapid City, SD to Mccomb, MS
That's the driving distance. It would take 1 day 1 hour to go from Rapid City, South Dakota to Mccomb, Mississippi.
The flight distance (direct flight from Rapid City, SD to Mccomb, MS) is 1,126.34 mi.
1,460 mi = 2,349.75 kms