| Romford to Solofra | 1,017.61 mi (1,637.69 km) |
| Romford to Somma Lombardo | 562.47 mi (905.21 km) |
| Romford to Somma Vesuviana | 1,002.20 mi (1,612.88 km) |
| Romford to Sommacampagna | 647.59 mi (1,042.19 km) |
| Romford to Sona | 645.39 mi (1,038.65 km) |
| Romford to Sondrio | 576.64 mi (928.01 km) |
| Romford to Sora | 930.02 mi (1,496.73 km) |
| Romford to Sorbolo | 661.99 mi (1,065.37 km) |
| Romford to Soresina | 620.07 mi (997.91 km) |
| Romford to Sorisole | 590.60 mi (950.48 km) |
| Romford to Sorrento | 1,013.63 mi (1,631.29 km) |
| Romford to Sorso | 844.84 mi (1,359.64 km) |
| Romford to Sortino | 1,231.65 mi (1,982.14 km) |
| Romford to Soverato Marina | 1,190.51 mi (1,915.95 km) |
| Romford to Sovicille | 769.87 mi (1,238.98 km) |
