| Porthcawl to Senftenberg | 759.76 mi (1,222.72 km) |
| Porthcawl to Siegburg | 474.15 mi (763.07 km) |
| Porthcawl to Siegen | 508.16 mi (817.80 km) |
| Porthcawl to Sigmaringen | 620.62 mi (998.80 km) |
| Porthcawl to Simbach am Inn | 774.39 mi (1,246.26 km) |
| Porthcawl to Simmerath | 437.88 mi (704.70 km) |
| Porthcawl to Sindelfingen | 593.26 mi (954.75 km) |
| Porthcawl to Sinsheim | 574.36 mi (924.35 km) |
| Porthcawl to Sinzheim | 557.06 mi (896.51 km) |
| Porthcawl to Sinzig | 479.55 mi (771.75 km) |
| Porthcawl to Soest | 506.71 mi (815.47 km) |
| Porthcawl to Solingen | 465.25 mi (748.75 km) |
| Porthcawl to Soltau | 580.71 mi (934.56 km) |
| Porthcawl to Sommerda | 638.66 mi (1,027.82 km) |
| Porthcawl to Sondershausen | 626.17 mi (1,007.73 km) |
