There are
903 mi
from Sioux Falls, SD to Westlake, OH
That's the driving distance. It would take 16 hours 37 mins to go from Sioux Falls, South Dakota to Westlake, Ohio.
The flight distance (direct flight from Sioux Falls, SD to Westlake, OH) is 765.70 mi.
903 mi = 1,453.77 kms