| Twickenham to Solofra | 1,028.86 mi (1,655.79 km) |
| Twickenham to Somma Lombardo | 573.18 mi (922.44 km) |
| Twickenham to Somma Vesuviana | 1,013.12 mi (1,630.46 km) |
| Twickenham to Sommacampagna | 660.40 mi (1,062.82 km) |
| Twickenham to Sona | 658.24 mi (1,059.33 km) |
| Twickenham to Sondrio | 589.65 mi (948.95 km) |
| Twickenham to Sora | 941.02 mi (1,514.42 km) |
| Twickenham to Sorbolo | 673.53 mi (1,083.94 km) |
| Twickenham to Soresina | 631.60 mi (1,016.45 km) |
| Twickenham to Sorisole | 602.62 mi (969.82 km) |
| Twickenham to Sorrento | 1,024.28 mi (1,648.42 km) |
| Twickenham to Sorso | 849.32 mi (1,366.85 km) |
| Twickenham to Sortino | 1,240.18 mi (1,995.88 km) |
| Twickenham to Soverato Marina | 1,201.38 mi (1,933.43 km) |
| Twickenham to Sovicille | 780.19 mi (1,255.60 km) |
