There are
999 mi
from Sioux Falls, SD to Clearfield, UT
That's the driving distance. It would take 17 hours 13 mins to go from Sioux Falls, South Dakota to Clearfield, Utah.
The flight distance (direct flight from Sioux Falls, SD to Clearfield, UT) is 799.52 mi.
999 mi = 1,608.41 kms