| Porthcawl to Shotley Bridge | 246.16 mi (396.16 km) |
| Porthcawl to Shrewsbury | 93.69 mi (150.77 km) |
| Porthcawl to Sidcup | 163.31 mi (262.82 km) |
| Porthcawl to Sidmouth | 58.64 mi (94.37 km) |
| Porthcawl to Sileby | 139.61 mi (224.69 km) |
| Porthcawl to Sittingbourne | 191.13 mi (307.60 km) |
| Porthcawl to Skegness | 205.45 mi (330.65 km) |
| Porthcawl to Skelmersdale | 148.09 mi (238.33 km) |
| Porthcawl to Skipton | 185.26 mi (298.15 km) |
| Porthcawl to Sleaford | 173.74 mi (279.61 km) |
| Porthcawl to Slough | 133.44 mi (214.75 km) |
| Porthcawl to Small Heath | 103.52 mi (166.60 km) |
| Porthcawl to Smethwick | 101.31 mi (163.04 km) |
| Porthcawl to Snaresbrook | 159.38 mi (256.49 km) |
| Porthcawl to Snodland | 178.59 mi (287.41 km) |
