There are
1,691 mi
from Boynton Beach, FL to Sioux City, IA
That's the driving distance. It would take 1 day 7 hours to go from Boynton Beach, Florida to Sioux City, Iowa.
The flight distance (direct flight from Boynton Beach, FL to Sioux City, IA) is 1,437.89 mi.
1,691 mi = 1.61 kms