| Porthcawl to Sceaux | 323.89 mi (521.24 km) |
| Porthcawl to Schiltigheim | 544.30 mi (875.97 km) |
| Porthcawl to Scionzier | 597.26 mi (961.20 km) |
| Porthcawl to Seclin | 298.98 mi (481.16 km) |
| Porthcawl to Sedan | 397.71 mi (640.06 km) |
| Porthcawl to Selestat | 543.15 mi (874.12 km) |
| Porthcawl to Sene | 270.11 mi (434.70 km) |
| Porthcawl to Senlis | 318.06 mi (511.86 km) |
| Porthcawl to Sens | 384.59 mi (618.94 km) |
| Porthcawl to Septemes-les-Vallons | 699.53 mi (1,125.79 km) |
| Porthcawl to Serris | 338.94 mi (545.47 km) |
| Porthcawl to Sete | 655.32 mi (1,054.64 km) |
| Porthcawl to Sevran | 326.48 mi (525.41 km) |
| Porthcawl to Sevres | 319.13 mi (513.59 km) |
| Porthcawl to Seynod | 589.46 mi (948.64 km) |
