There are
1,765 mi
from Redwood City, CA to Sioux Falls, SD
That's the driving distance. It would take 1 day 6 hours to go from Redwood City, California to Sioux Falls, South Dakota.
The flight distance (direct flight from Redwood City, CA to Sioux Falls, SD) is 1,398.77 mi.
1,765 mi = 2,840.07 kms