| Romford to Selargius | 954.71 mi (1,536.46 km) |
| Romford to Selvazzano Dentro | 680.94 mi (1,095.86 km) |
| Romford to Senago | 581.41 mi (935.70 km) |
| Romford to Senigallia | 812.42 mi (1,307.47 km) |
| Romford to Seravezza | 700.05 mi (1,126.63 km) |
| Romford to Seregno | 580.11 mi (933.60 km) |
| Romford to Seriate | 595.28 mi (958.02 km) |
| Romford to Sermoneta | 919.22 mi (1,479.34 km) |
| Romford to Serramanna | 938.87 mi (1,510.96 km) |
| Romford to Serravalle Pistoiese | 724.08 mi (1,165.30 km) |
| Romford to Sessa Aurunca | 966.43 mi (1,555.32 km) |
| Romford to Sesto Calende | 557.75 mi (897.62 km) |
| Romford to Sesto Fiorentino | 739.25 mi (1,189.71 km) |
| Romford to Sesto San Giovanni | 587.20 mi (945.01 km) |
| Romford to Sestri Levante | 659.72 mi (1,061.72 km) |
