There are
1,673 mi
from Sioux City, IA to Riviera Beach, FL
That's the driving distance. It would take 1 day 6 hours to go from Sioux City, Iowa to Riviera Beach, Florida.
The flight distance (direct flight from Sioux City, IA to Riviera Beach, FL) is 1,424.20 mi.
1,673 mi = 1.61 kms