| Merthyr Tudful to Roermond | 404.36 mi (650.75 km) |
| Merthyr Tudful to Roosendaal | 335.82 mi (540.46 km) |
| Merthyr Tudful to Rosmalen | 374.00 mi (601.90 km) |
| Merthyr Tudful to Rotterdam | 336.44 mi (541.44 km) |
| Merthyr Tudful to Rozenburg | 325.74 mi (524.22 km) |
| Merthyr Tudful to Rucphen | 341.53 mi (549.63 km) |
| Merthyr Tudful to s-Gravendeel | 341.72 mi (549.94 km) |
| Merthyr Tudful to s-Gravenzande | 322.20 mi (518.53 km) |
| Merthyr Tudful to s-Heerenberg | 410.92 mi (661.31 km) |
| Merthyr Tudful to s-Hertogenbosch | 371.31 mi (597.57 km) |
| Merthyr Tudful to Sassenheim | 337.67 mi (543.43 km) |
| Merthyr Tudful to Schaesberg | 409.53 mi (659.07 km) |
| Merthyr Tudful to Schagen | 353.01 mi (568.12 km) |
| Merthyr Tudful to Scherpenzeel | 377.46 mi (607.47 km) |
| Merthyr Tudful to Scheveningen | 326.83 mi (525.98 km) |
