| Sieradz to Solofra | 766.63 mi (1,233.77 km) |
| Sieradz to Somma Lombardo | 613.54 mi (987.39 km) |
| Sieradz to Somma Vesuviana | 768.97 mi (1,237.54 km) |
| Sieradz to Sommacampagna | 559.99 mi (901.22 km) |
| Sieradz to Sona | 558.65 mi (899.07 km) |
| Sieradz to Sondrio | 550.24 mi (885.52 km) |
| Sieradz to Sora | 724.50 mi (1,165.98 km) |
| Sieradz to Sorbolo | 602.35 mi (969.39 km) |
| Sieradz to Soresina | 596.18 mi (959.46 km) |
| Sieradz to Sorisole | 579.06 mi (931.91 km) |
| Sieradz to Sorrento | 786.18 mi (1,265.24 km) |
| Sieradz to Sorso | 889.02 mi (1,430.74 km) |
| Sieradz to Sortino | 1,013.65 mi (1,631.31 km) |
| Sieradz to Soverato Marina | 898.76 mi (1,446.42 km) |
| Sieradz to Sovicille | 672.68 mi (1,082.57 km) |
