There are
1,785 mi
from Rapid City, SD to Torrington, CT
That's the driving distance. It would take 1 day 8 hours to go from Rapid City, South Dakota to Torrington, Connecticut.
The flight distance (direct flight from Rapid City, SD to Torrington, CT) is 1,522.53 mi.
1,785 mi = 2,872.56 kms