There are
1,668 mi
from Sioux Falls, SD to Norwalk, CA
That's the driving distance. It would take 1 day 4 hours to go from Sioux Falls, South Dakota to Norwalk, California.
The flight distance (direct flight from Sioux Falls, SD to Norwalk, CA) is 1,325.67 mi.
1,668 mi = 1.61 kms