| Portici to Selvazzano Dentro | 340.65 mi (548.22 km) |
| Portici to Senago | 420.67 mi (677.00 km) |
| Portici to Senigallia | 207.99 mi (334.73 km) |
| Portici to Seravezza | 303.56 mi (488.54 km) |
| Portici to Seregno | 422.13 mi (679.35 km) |
| Portici to Seriate | 408.64 mi (657.65 km) |
| Portici to Sermoneta | 86.78 mi (139.66 km) |
| Portici to Serramanna | 302.10 mi (486.18 km) |
| Portici to Serravalle Pistoiese | 278.10 mi (447.55 km) |
| Portici to Sessa Aurunca | 35.62 mi (57.32 km) |
| Portici to Sesto Calende | 444.39 mi (715.17 km) |
| Portici to Sesto Fiorentino | 262.83 mi (422.98 km) |
| Portici to Sesto San Giovanni | 414.90 mi (667.72 km) |
| Portici to Sestri Levante | 346.83 mi (558.16 km) |
| Portici to Sestu | 296.74 mi (477.56 km) |
