There are
1,339 mi
from Sioux Falls, SD to Florham Park, NJ
That's the driving distance. It would take 1 day to go from Sioux Falls, South Dakota to Florham Park, New Jersey.
The flight distance (direct flight from Sioux Falls, SD to Florham Park, NJ) is 1,154.81 mi.
1,339 mi = 1.61 kms