There are
1,358 mi
from Ringwood, NJ to Sioux Falls, SD
That's the driving distance. It would take 1 day 1 hour to go from Ringwood, New Jersey to Sioux Falls, South Dakota.
The flight distance (direct flight from Ringwood, NJ to Sioux Falls, SD) is 1,155.62 mi.
1,358 mi = 2,186.01 kms