There are
1,219 mi
from Sioux City, IA to New Carrollton, MD
That's the driving distance. It would take 22 hours 37 mins to go from Sioux City, Iowa to New Carrollton, Maryland.
The flight distance (direct flight from Sioux City, IA to New Carrollton, MD) is 1,048.11 mi.
1,219 mi = 1.61 kms