| Merthyr Tudful to Plombieres | 409.20 mi (658.55 km) |
| Merthyr Tudful to Pont-a-Celles | 345.79 mi (556.50 km) |
| Merthyr Tudful to Poperinge | 270.64 mi (435.56 km) |
| Merthyr Tudful to Profondeville | 370.18 mi (595.74 km) |
| Merthyr Tudful to Putte | 348.48 mi (560.83 km) |
| Merthyr Tudful to Puurs | 333.09 mi (536.06 km) |
| Merthyr Tudful to Quaregnon | 327.02 mi (526.29 km) |
| Merthyr Tudful to Raeren | 417.10 mi (671.27 km) |
| Merthyr Tudful to Ranst | 343.09 mi (552.15 km) |
| Merthyr Tudful to Ravels | 360.66 mi (580.42 km) |
| Merthyr Tudful to Retie | 364.46 mi (586.55 km) |
| Merthyr Tudful to Riemst | 393.20 mi (632.80 km) |
| Merthyr Tudful to Rijkevorsel | 350.83 mi (564.60 km) |
| Merthyr Tudful to Rixensart | 349.37 mi (562.26 km) |
| Merthyr Tudful to Rochefort | 389.34 mi (626.59 km) |
