There are
1,770 mi
from Santa Clara, CA to Sioux Falls, SD
That's the driving distance. It would take 1 day 6 hours to go from Santa Clara, California to Sioux Falls, South Dakota.
The flight distance (direct flight from Santa Clara, CA to Sioux Falls, SD) is 1,388.79 mi.
1,770 mi = 1.61 kms