| Mostoles to Selargius | 694.97 mi (1,118.44 km) |
| Mostoles to Selvazzano Dentro | 864.15 mi (1,390.72 km) |
| Mostoles to Senago | 749.50 mi (1,206.20 km) |
| Mostoles to Senigallia | 905.66 mi (1,457.51 km) |
| Mostoles to Seravezza | 764.06 mi (1,229.63 km) |
| Mostoles to Seregno | 754.34 mi (1,213.99 km) |
| Mostoles to Seriate | 778.15 mi (1,252.31 km) |
| Mostoles to Sermoneta | 882.02 mi (1,419.48 km) |
| Mostoles to Serramanna | 680.39 mi (1,094.98 km) |
| Mostoles to Serravalle Pistoiese | 791.40 mi (1,273.63 km) |
| Mostoles to Sessa Aurunca | 931.67 mi (1,499.38 km) |
| Mostoles to Sesto Calende | 732.08 mi (1,178.17 km) |
| Mostoles to Sesto Fiorentino | 808.21 mi (1,300.70 km) |
| Mostoles to Sesto San Giovanni | 752.50 mi (1,211.04 km) |
| Mostoles to Sestri Levante | 729.16 mi (1,173.47 km) |
