| Merthyr Tudful to Ploermel | 266.93 mi (429.58 km) |
| Merthyr Tudful to Ploufragan | 226.27 mi (364.15 km) |
| Merthyr Tudful to Plougastel-Daoulas | 237.00 mi (381.41 km) |
| Merthyr Tudful to Plouzane | 238.60 mi (383.98 km) |
| Merthyr Tudful to Poissy | 308.08 mi (495.81 km) |
| Merthyr Tudful to Poitiers | 394.17 mi (634.36 km) |
| Merthyr Tudful to Pont-a-Mousson | 459.53 mi (739.54 km) |
| Merthyr Tudful to Pont-du-Chateau | 509.21 mi (819.50 km) |
| Merthyr Tudful to Pont-Saint-Esprit | 635.79 mi (1,023.20 km) |
| Merthyr Tudful to Pont-Sainte-Maxence | 312.11 mi (502.30 km) |
| Merthyr Tudful to Pontarlier | 550.41 mi (885.79 km) |
| Merthyr Tudful to Pontchateau | 303.07 mi (487.74 km) |
| Merthyr Tudful to Pontivy | 254.55 mi (409.65 km) |
| Merthyr Tudful to Pontoise | 304.54 mi (490.11 km) |
| Merthyr Tudful to Pornic | 324.80 mi (522.71 km) |
