| Thornton Heath to Solofra | 1,019.13 mi (1,640.14 km) |
| Thornton Heath to Somma Lombardo | 563.52 mi (906.90 km) |
| Thornton Heath to Somma Vesuviana | 1,003.46 mi (1,614.91 km) |
| Thornton Heath to Sommacampagna | 650.41 mi (1,046.74 km) |
| Thornton Heath to Sona | 648.24 mi (1,043.25 km) |
| Thornton Heath to Sondrio | 579.63 mi (932.82 km) |
| Thornton Heath to Sora | 931.33 mi (1,498.84 km) |
| Thornton Heath to Sorbolo | 663.74 mi (1,068.18 km) |
| Thornton Heath to Soresina | 621.80 mi (1,000.70 km) |
| Thornton Heath to Sorisole | 592.75 mi (953.93 km) |
| Thornton Heath to Sorrento | 1,014.66 mi (1,632.94 km) |
| Thornton Heath to Sorso | 841.12 mi (1,353.65 km) |
| Thornton Heath to Sortino | 1,231.00 mi (1,981.10 km) |
| Thornton Heath to Soverato Marina | 1,191.73 mi (1,917.90 km) |
| Thornton Heath to Sovicille | 770.63 mi (1,240.20 km) |
