| Colwyn Bay to Sceaux | 405.81 mi (653.08 km) |
| Colwyn Bay to Schiltigheim | 593.13 mi (954.56 km) |
| Colwyn Bay to Scionzier | 676.77 mi (1,089.16 km) |
| Colwyn Bay to Seclin | 343.47 mi (552.76 km) |
| Colwyn Bay to Sedan | 446.29 mi (718.24 km) |
| Colwyn Bay to Selestat | 597.53 mi (961.63 km) |
| Colwyn Bay to Sene | 394.05 mi (634.17 km) |
| Colwyn Bay to Senlis | 391.51 mi (630.07 km) |
| Colwyn Bay to Sens | 465.55 mi (749.23 km) |
| Colwyn Bay to Septemes-les-Vallons | 798.85 mi (1,285.63 km) |
| Colwyn Bay to Serris | 415.76 mi (669.10 km) |
| Colwyn Bay to Sete | 761.82 mi (1,226.03 km) |
| Colwyn Bay to Sevran | 404.32 mi (650.70 km) |
| Colwyn Bay to Sevres | 401.14 mi (645.57 km) |
| Colwyn Bay to Seynod | 672.58 mi (1,082.42 km) |
