There are
1,744 mi
from Norwalk, CT to Rapid City, SD
That's the driving distance. It would take 1 day 7 hours to go from Norwalk, Connecticut to Rapid City, South Dakota.
The flight distance (direct flight from Norwalk, CT to Rapid City, SD) is 1,522.09 mi.
1,744 mi = 1.61 kms