| Porthcawl to Solofra | 1,146.84 mi (1,845.67 km) |
| Porthcawl to Somma Lombardo | 692.18 mi (1,113.95 km) |
| Porthcawl to Somma Vesuviana | 1,129.97 mi (1,818.52 km) |
| Porthcawl to Sommacampagna | 785.69 mi (1,264.44 km) |
| Porthcawl to Sona | 783.65 mi (1,261.16 km) |
| Porthcawl to Sondrio | 716.06 mi (1,152.39 km) |
| Porthcawl to Sora | 1,058.44 mi (1,703.39 km) |
| Porthcawl to Sorbolo | 794.48 mi (1,278.60 km) |
| Porthcawl to Soresina | 752.83 mi (1,211.56 km) |
| Porthcawl to Sorisole | 725.76 mi (1,167.99 km) |
| Porthcawl to Sorrento | 1,140.04 mi (1,834.72 km) |
| Porthcawl to Sorso | 940.57 mi (1,513.70 km) |
| Porthcawl to Sortino | 1,346.69 mi (2,167.28 km) |
| Porthcawl to Soverato Marina | 1,317.33 mi (2,120.04 km) |
| Porthcawl to Sovicille | 896.05 mi (1,442.05 km) |
