There are
1,378 mi
from Sioux City, IA to New Haven, CT
That's the driving distance. It would take 1 day 1 hour to go from Sioux City, Iowa to New Haven, Connecticut.
The flight distance (direct flight from Sioux City, IA to New Haven, CT) is 1,205.96 mi.
1,378 mi = 1.61 kms