There are
1,398 mi
from Sioux Falls, SD to Fountain Hills, AZ
That's the driving distance. It would take 1 day 2 hours to go from Sioux Falls, South Dakota to Fountain Hills, Arizona.
The flight distance (direct flight from Sioux Falls, SD to Fountain Hills, AZ) is 1,061.05 mi.
1,398 mi = 1.61 kms