| Merthyr Tudful to Schiedam | 332.18 mi (534.59 km) |
| Merthyr Tudful to Schijndel | 377.36 mi (607.31 km) |
| Merthyr Tudful to Schinnen | 403.14 mi (648.79 km) |
| Merthyr Tudful to Schoonhoven | 351.31 mi (565.37 km) |
| Merthyr Tudful to Simpelveld | 409.07 mi (658.34 km) |
| Merthyr Tudful to Sint Anthonis | 396.45 mi (638.03 km) |
| Merthyr Tudful to Sint Willebrord | 341.77 mi (550.03 km) |
| Merthyr Tudful to Sint-Michielsgestel | 374.02 mi (601.93 km) |
| Merthyr Tudful to Sint-Oedenrode | 378.86 mi (609.72 km) |
| Merthyr Tudful to Sittard | 401.76 mi (646.57 km) |
| Merthyr Tudful to Sliedrecht | 348.02 mi (560.08 km) |
| Merthyr Tudful to Slochteren | 439.82 mi (707.82 km) |
| Merthyr Tudful to Sluis | 292.21 mi (470.27 km) |
| Merthyr Tudful to Sneek | 391.11 mi (629.43 km) |
| Merthyr Tudful to Soest | 370.48 mi (596.22 km) |
