There are
1,759 mi
from Rapid City, SD to Patchogue, NY
That's the driving distance. It would take 1 day 7 hours to go from Rapid City, South Dakota to Patchogue, New York.
The flight distance (direct flight from Rapid City, SD to Patchogue, NY) is 1,549.15 mi.
1,759 mi = 2,831.44 kms