There are
1,329 mi
from Sioux Falls, SD to Lansdowne, PA
That's the driving distance. It would take 1 day to go from Sioux Falls, South Dakota to Lansdowne, Pennsylvania.
The flight distance (direct flight from Sioux Falls, SD to Lansdowne, PA) is 1,129.11 mi.
1,329 mi = 1.61 kms