There are
1,777 mi
from Boynton Beach, FL to Sioux Falls, SD
That's the driving distance. It would take 1 day 8 hours to go from Boynton Beach, Florida to Sioux Falls, South Dakota.
The flight distance (direct flight from Boynton Beach, FL to Sioux Falls, SD) is 1,500.30 mi.
1,777 mi = 1.61 kms