| Twickenham to Selargius | 958.72 mi (1,542.91 km) |
| Twickenham to Selvazzano Dentro | 694.65 mi (1,117.94 km) |
| Twickenham to Senago | 592.52 mi (953.58 km) |
| Twickenham to Senigallia | 825.24 mi (1,328.09 km) |
| Twickenham to Seravezza | 710.15 mi (1,142.87 km) |
| Twickenham to Seregno | 591.42 mi (951.80 km) |
| Twickenham to Seriate | 607.29 mi (977.34 km) |
| Twickenham to Sermoneta | 929.45 mi (1,495.80 km) |
| Twickenham to Serramanna | 942.70 mi (1,517.13 km) |
| Twickenham to Serravalle Pistoiese | 734.74 mi (1,182.45 km) |
| Twickenham to Sessa Aurunca | 977.24 mi (1,572.72 km) |
| Twickenham to Sesto Calende | 568.46 mi (914.84 km) |
| Twickenham to Sesto Fiorentino | 750.23 mi (1,207.38 km) |
| Twickenham to Sesto San Giovanni | 598.36 mi (962.97 km) |
| Twickenham to Sestri Levante | 669.15 mi (1,076.89 km) |
