There are
1,667 mi
from Norwalk, CA to Sioux Falls, SD
That's the driving distance. It would take 1 day 4 hours to go from Norwalk, California to Sioux Falls, South Dakota.
The flight distance (direct flight from Norwalk, CA to Sioux Falls, SD) is 1,325.67 mi.
1,667 mi = 1.61 kms