| Merthyr Tudful to Schaffhausen | 603.88 mi (971.85 km) |
| Merthyr Tudful to Schlieren | 607.99 mi (978.46 km) |
| Merthyr Tudful to Schubelbach | 635.26 mi (1,022.35 km) |
| Merthyr Tudful to Schwyz | 630.80 mi (1,015.18 km) |
| Merthyr Tudful to Sierre | 620.09 mi (997.94 km) |
| Merthyr Tudful to Sion | 617.21 mi (993.30 km) |
| Merthyr Tudful to Solothurn | 580.23 mi (933.80 km) |
| Merthyr Tudful to Spiez | 607.84 mi (978.22 km) |
| Merthyr Tudful to Spreitenbach | 604.11 mi (972.23 km) |
| Merthyr Tudful to Stafa | 625.05 mi (1,005.91 km) |
| Merthyr Tudful to Stans | 622.08 mi (1,001.13 km) |
| Merthyr Tudful to Steffisburg | 602.98 mi (970.41 km) |
| Merthyr Tudful to Stegen | 617.57 mi (993.88 km) |
| Merthyr Tudful to Steinhaus | 617.32 mi (993.48 km) |
| Merthyr Tudful to Suhr | 594.70 mi (957.08 km) |
