There are
1,555 mi
from Sioux Falls, SD to Barstow, CA
That's the driving distance. It would take 1 day 2 hours to go from Sioux Falls, South Dakota to Barstow, California.
The flight distance (direct flight from Sioux Falls, SD to Barstow, CA) is 1,236.28 mi.
1,555 mi = 1.61 kms