| Cascais to Selargius | 996.83 mi (1,604.24 km) |
| Cascais to Selvazzano Dentro | 1,177.24 mi (1,894.59 km) |
| Cascais to Senago | 1,059.26 mi (1,704.71 km) |
| Cascais to Senigallia | 1,222.12 mi (1,966.82 km) |
| Cascais to Seravezza | 1,079.78 mi (1,737.74 km) |
| Cascais to Seregno | 1,063.87 mi (1,712.14 km) |
| Cascais to Seriate | 1,088.20 mi (1,751.29 km) |
| Cascais to Sermoneta | 1,196.21 mi (1,925.11 km) |
| Cascais to Serramanna | 983.41 mi (1,582.64 km) |
| Cascais to Serravalle Pistoiese | 1,107.43 mi (1,782.23 km) |
| Cascais to Sessa Aurunca | 1,244.97 mi (2,003.59 km) |
| Cascais to Sesto Calende | 1,040.36 mi (1,674.29 km) |
| Cascais to Sesto Fiorentino | 1,124.39 mi (1,809.53 km) |
| Cascais to Sesto San Giovanni | 1,062.63 mi (1,710.14 km) |
| Cascais to Sestri Levante | 1,043.97 mi (1,680.11 km) |
