| Sidcup to Solofra | 1,013.35 mi (1,630.83 km) |
| Sidcup to Somma Lombardo | 557.91 mi (897.87 km) |
| Sidcup to Somma Vesuviana | 997.78 mi (1,605.78 km) |
| Sidcup to Sommacampagna | 644.08 mi (1,036.55 km) |
| Sidcup to Sona | 641.90 mi (1,033.04 km) |
| Sidcup to Sondrio | 573.22 mi (922.51 km) |
| Sidcup to Sora | 925.64 mi (1,489.67 km) |
| Sidcup to Sorbolo | 657.84 mi (1,058.69 km) |
| Sidcup to Soresina | 615.91 mi (991.21 km) |
| Sidcup to Sorisole | 586.68 mi (944.17 km) |
| Sidcup to Sorrento | 1,009.09 mi (1,623.97 km) |
| Sidcup to Sorso | 837.76 mi (1,348.25 km) |
| Sidcup to Sortino | 1,226.17 mi (1,973.33 km) |
| Sidcup to Soverato Marina | 1,186.08 mi (1,908.81 km) |
| Sidcup to Sovicille | 765.16 mi (1,231.40 km) |
