| Cwmbran to Selargius | 1,037.44 mi (1,669.60 km) |
| Cwmbran to Selvazzano Dentro | 801.91 mi (1,290.55 km) |
| Cwmbran to Senago | 694.28 mi (1,117.33 km) |
| Cwmbran to Senigallia | 930.19 mi (1,496.99 km) |
| Cwmbran to Seravezza | 808.75 mi (1,301.56 km) |
| Cwmbran to Seregno | 693.66 mi (1,116.33 km) |
| Cwmbran to Seriate | 711.09 mi (1,144.39 km) |
| Cwmbran to Sermoneta | 1,027.61 mi (1,653.79 km) |
| Cwmbran to Serramanna | 1,020.92 mi (1,643.01 km) |
| Cwmbran to Serravalle Pistoiese | 834.71 mi (1,343.33 km) |
| Cwmbran to Sessa Aurunca | 1,076.85 mi (1,733.02 km) |
| Cwmbran to Sesto Calende | 669.35 mi (1,077.22 km) |
| Cwmbran to Sesto Fiorentino | 850.95 mi (1,369.47 km) |
| Cwmbran to Sesto San Giovanni | 700.19 mi (1,126.85 km) |
| Cwmbran to Sestri Levante | 766.17 mi (1,233.02 km) |
