| Cascais to Sceaux | 906.97 mi (1,459.63 km) |
| Cascais to Schiltigheim | 1,093.43 mi (1,759.71 km) |
| Cascais to Scionzier | 957.79 mi (1,541.42 km) |
| Cascais to Seclin | 1,019.21 mi (1,640.26 km) |
| Cascais to Sedan | 1,037.45 mi (1,669.61 km) |
| Cascais to Selestat | 1,069.15 mi (1,720.62 km) |
| Cascais to Sene | 701.61 mi (1,129.13 km) |
| Cascais to Senlis | 937.60 mi (1,508.92 km) |
| Cascais to Sens | 912.41 mi (1,468.39 km) |
| Cascais to Septemes-les-Vallons | 834.37 mi (1,342.79 km) |
| Cascais to Serris | 926.66 mi (1,491.32 km) |
| Cascais to Sete | 755.55 mi (1,215.93 km) |
| Cascais to Sevran | 922.33 mi (1,484.34 km) |
| Cascais to Sevres | 906.73 mi (1,459.23 km) |
| Cascais to Seynod | 933.10 mi (1,501.68 km) |
