There are
1,377 mi
from New Haven, CT to Sioux City, IA
That's the driving distance. It would take 1 day 1 hour to go from New Haven, Connecticut to Sioux City, Iowa.
The flight distance (direct flight from New Haven, CT to Sioux City, IA) is 1,205.96 mi.
1,377 mi = 1.61 kms