| Pontypridd to Solofra | 1,138.93 mi (1,832.93 km) |
| Pontypridd to Somma Lombardo | 683.76 mi (1,100.41 km) |
| Pontypridd to Somma Vesuviana | 1,122.25 mi (1,806.08 km) |
| Pontypridd to Sommacampagna | 776.26 mi (1,249.27 km) |
| Pontypridd to Sona | 774.19 mi (1,245.94 km) |
| Pontypridd to Sondrio | 706.36 mi (1,136.78 km) |
| Pontypridd to Sora | 1,050.58 mi (1,690.75 km) |
| Pontypridd to Sorbolo | 785.84 mi (1,264.68 km) |
| Pontypridd to Soresina | 744.10 mi (1,197.51 km) |
| Pontypridd to Sorisole | 716.67 mi (1,153.36 km) |
| Pontypridd to Sorrento | 1,132.51 mi (1,822.59 km) |
| Pontypridd to Sorso | 936.69 mi (1,507.46 km) |
| Pontypridd to Sortino | 1,340.77 mi (2,157.75 km) |
| Pontypridd to Soverato Marina | 1,309.84 mi (2,107.98 km) |
| Pontypridd to Sovicille | 888.36 mi (1,429.67 km) |
