| Pontypridd to Sesena | 794.64 mi (1,278.86 km) |
| Pontypridd to Sestao | 573.08 mi (922.28 km) |
| Pontypridd to Sevilla | 1,000.71 mi (1,610.49 km) |
| Pontypridd to Sevilla La Nueva | 778.30 mi (1,252.55 km) |
| Pontypridd to Silla | 857.37 mi (1,379.81 km) |
| Pontypridd to Silleda | 656.23 mi (1,056.10 km) |
| Pontypridd to Sitges | 756.66 mi (1,217.73 km) |
| Pontypridd to Socuellamos | 850.86 mi (1,369.32 km) |
| Pontypridd to Soller | 867.44 mi (1,396.01 km) |
| Pontypridd to Solsona | 702.09 mi (1,129.91 km) |
| Pontypridd to Son Servera | 888.01 mi (1,429.12 km) |
| Pontypridd to Sonseca | 822.86 mi (1,324.27 km) |
| Pontypridd to Sopelana | 568.24 mi (914.49 km) |
| Pontypridd to Soria | 680.81 mi (1,095.65 km) |
| Pontypridd to Suances | 565.36 mi (909.86 km) |
