| Alton to Selargius | 956.71 mi (1,539.68 km) |
| Alton to Selvazzano Dentro | 707.81 mi (1,139.11 km) |
| Alton to Senago | 601.81 mi (968.52 km) |
| Alton to Senigallia | 836.77 mi (1,346.65 km) |
| Alton to Seravezza | 717.62 mi (1,154.89 km) |
| Alton to Seregno | 601.01 mi (967.24 km) |
| Alton to Seriate | 617.93 mi (994.46 km) |
| Alton to Sermoneta | 936.81 mi (1,507.64 km) |
| Alton to Serramanna | 940.47 mi (1,513.53 km) |
| Alton to Serravalle Pistoiese | 743.03 mi (1,195.80 km) |
| Alton to Sessa Aurunca | 985.46 mi (1,585.94 km) |
| Alton to Sesto Calende | 577.18 mi (928.88 km) |
| Alton to Sesto Fiorentino | 758.99 mi (1,221.48 km) |
| Alton to Sesto San Giovanni | 607.70 mi (978.00 km) |
| Alton to Sestri Levante | 675.67 mi (1,087.39 km) |
