There are
1,743 mi
from Rapid City, SD to Lindenhurst, NY
That's the driving distance. It would take 1 day 7 hours to go from Rapid City, South Dakota to Lindenhurst, New York.
The flight distance (direct flight from Rapid City, SD to Lindenhurst, NY) is 1,533.11 mi.
1,743 mi = 2,804.69 kms