| Merthyr Tudful to Police | 760.40 mi (1,223.74 km) |
| Merthyr Tudful to Polkowice | 831.81 mi (1,338.67 km) |
| Merthyr Tudful to Poniatowa | 1,090.42 mi (1,754.86 km) |
| Merthyr Tudful to Poznan | 860.93 mi (1,385.54 km) |
| Merthyr Tudful to Prudnik | 912.58 mi (1,468.66 km) |
| Merthyr Tudful to Pruszcz Gdanski | 927.62 mi (1,492.87 km) |
| Merthyr Tudful to Pruszkow | 1,025.16 mi (1,649.84 km) |
| Merthyr Tudful to Przasnysz | 1,022.10 mi (1,644.90 km) |
| Merthyr Tudful to Przemysl | 1,144.36 mi (1,841.67 km) |
| Merthyr Tudful to Przeworsk | 1,127.46 mi (1,814.47 km) |
| Merthyr Tudful to Pszczyna | 977.38 mi (1,572.94 km) |
| Merthyr Tudful to Puck | 919.76 mi (1,480.20 km) |
| Merthyr Tudful to Pulawy | 1,082.95 mi (1,742.84 km) |
| Merthyr Tudful to Pultusk | 1,032.49 mi (1,661.63 km) |
| Merthyr Tudful to Puszczykowo | 858.40 mi (1,381.47 km) |
