There are
1,233 mi
from Allentown, PA to Sioux City, IA
That's the driving distance. It would take 22 hours 44 mins to go from Allentown, Pennsylvania to Sioux City, Iowa.
The flight distance (direct flight from Allentown, PA to Sioux City, IA) is 1,086.22 mi.
1,233 mi = 1.61 kms