| Sioux City to Argostoli | 5,600.46 mi (9,013.06 km) |
| Sioux City to Argyroupoli | 5,730.89 mi (9,222.98 km) |
| Sioux City to Arta | 5,567.20 mi (8,959.54 km) |
| Sioux City to Artemida | 5,736.10 mi (9,231.36 km) |
| Sioux City to Aspropyrgos | 5,716.23 mi (9,199.39 km) |
| Sioux City to Athens | 5,725.67 mi (9,214.57 km) |
| Sioux City to Chaidari | 5,721.21 mi (9,207.40 km) |
| Sioux City to Chalandri | 5,726.46 mi (9,215.85 km) |
| Sioux City to Chalkida | 5,695.72 mi (9,166.38 km) |
| Sioux City to Chania | 5,866.82 mi (9,441.74 km) |
| Sioux City to Chios | 5,787.91 mi (9,314.74 km) |
| Sioux City to Cholargos | 5,727.35 mi (9,217.27 km) |
| Sioux City to Chrysoupoli | 5,599.82 mi (9,012.04 km) |
| Sioux City to Dafni | 5,727.66 mi (9,217.78 km) |
| Sioux City to Diavata | 5,553.20 mi (8,937.01 km) |
