| Sioux City to Glyka Nera | 5,729.47 mi (9,220.70 km) |
| Sioux City to Grevena | 5,535.12 mi (8,907.92 km) |
| Sioux City to Ialysos | 5,962.40 mi (9,595.56 km) |
| Sioux City to Ilion | 5,722.08 mi (9,208.80 km) |
| Sioux City to Ilioupoli | 5,729.13 mi (9,220.14 km) |
| Sioux City to Ioannina | 5,536.66 mi (8,910.39 km) |
| Sioux City to Irakleio | 5,916.16 mi (9,521.15 km) |
| Sioux City to Irakleio | 5,723.53 mi (9,211.14 km) |
| Sioux City to Kaisariani | 5,727.56 mi (9,217.63 km) |
| Sioux City to Kalamaria | 5,561.83 mi (8,950.91 km) |
| Sioux City to Kalamata | 5,718.04 mi (9,202.30 km) |
| Sioux City to Kallithea | 5,726.49 mi (9,215.90 km) |
| Sioux City to Kalymnos | 5,891.54 mi (9,481.51 km) |
| Sioux City to Kalyvia Thorikou | 5,740.26 mi (9,238.06 km) |
| Sioux City to Kamatero | 5,721.11 mi (9,207.23 km) |
