There are
1,837 mi
from Sioux Falls, SD to Seaside, CA
That's the driving distance. It would take 1 day 7 hours to go from Sioux Falls, South Dakota to Seaside, California.
The flight distance (direct flight from Sioux Falls, SD to Seaside, CA) is 1,404.91 mi.
1,837 mi = 1.61 kms