| Porthcawl to Sereflikochisar | 1,980.54 mi (3,187.37 km) |
| Porthcawl to Serik | 1,968.76 mi (3,168.41 km) |
| Porthcawl to Serinhisar | 1,863.11 mi (2,998.38 km) |
| Porthcawl to Serinyol | 2,206.09 mi (3,550.35 km) |
| Porthcawl to Seydisehir | 1,976.86 mi (3,181.45 km) |
| Porthcawl to Seyhan | 2,141.88 mi (3,447.03 km) |
| Porthcawl to Seyitgazi | 1,839.33 mi (2,960.12 km) |
| Porthcawl to Siirt | 2,381.94 mi (3,833.36 km) |
| Porthcawl to Sile | 1,721.84 mi (2,771.03 km) |
| Porthcawl to Silifke | 2,110.82 mi (3,397.03 km) |
| Porthcawl to Silivri | 1,668.58 mi (2,685.32 km) |
| Porthcawl to Silopi | 2,433.50 mi (3,916.34 km) |
| Porthcawl to Simav | 1,783.79 mi (2,870.74 km) |
| Porthcawl to Sinanpasa | 1,850.99 mi (2,978.88 km) |
| Porthcawl to Sindirgi | 1,743.49 mi (2,805.88 km) |
