| Merthyr Tudful to Parczew | 1,118.10 mi (1,799.40 km) |
| Merthyr Tudful to Paslek | 969.18 mi (1,559.75 km) |
| Merthyr Tudful to Piaseczno | 1,035.25 mi (1,666.07 km) |
| Merthyr Tudful to Piastow | 1,027.10 mi (1,652.96 km) |
| Merthyr Tudful to Piekary Slaskie | 970.24 mi (1,561.45 km) |
| Merthyr Tudful to Pila | 849.65 mi (1,367.37 km) |
| Merthyr Tudful to Pinczow | 1,035.29 mi (1,666.14 km) |
| Merthyr Tudful to Pionki | 1,060.23 mi (1,706.28 km) |
| Merthyr Tudful to Piotrkow Trybunalski | 986.50 mi (1,587.62 km) |
| Merthyr Tudful to Pisz | 1,056.89 mi (1,700.90 km) |
| Merthyr Tudful to Pleszew | 900.78 mi (1,449.66 km) |
| Merthyr Tudful to Plewiska | 855.95 mi (1,377.52 km) |
| Merthyr Tudful to Plock | 975.88 mi (1,570.53 km) |
| Merthyr Tudful to Plonsk | 1,003.81 mi (1,615.47 km) |
| Merthyr Tudful to Pobiedziska | 883.54 mi (1,421.92 km) |
