There are
1,776 mi
from Waterbury, CT to Rapid City, SD
That's the driving distance. It would take 1 day 7 hours to go from Waterbury, Connecticut to Rapid City, South Dakota.
The flight distance (direct flight from Waterbury, CT to Rapid City, SD) is 1,530.73 mi.
1,776 mi = 2,857.90 kms