| Sioux City to Niscemi | 5,423.20 mi (8,727.80 km) |
| Sioux City to Nizza Monferrato | 4,834.19 mi (7,779.87 km) |
| Sioux City to Noale | 4,934.19 mi (7,940.81 km) |
| Sioux City to Nocera Inferiore | 5,256.58 mi (8,459.65 km) |
| Sioux City to Nocera Superiore | 5,258.43 mi (8,462.62 km) |
| Sioux City to Noceto | 4,899.82 mi (7,885.49 km) |
| Sioux City to Noci | 5,345.81 mi (8,603.25 km) |
| Sioux City to Noicattaro | 5,328.77 mi (8,575.82 km) |
| Sioux City to Nola | 5,243.95 mi (8,439.32 km) |
| Sioux City to Nonantola | 4,937.65 mi (7,946.38 km) |
| Sioux City to Noto | 5,463.42 mi (8,792.52 km) |
| Sioux City to Nova Milanese | 4,828.91 mi (7,771.37 km) |
| Sioux City to Novara | 4,813.51 mi (7,746.60 km) |
| Sioux City to Novate Milanese | 4,828.72 mi (7,771.08 km) |
| Sioux City to Novellara | 4,918.39 mi (7,915.39 km) |
