| Merthyr Tudful to Opovo | 1,179.20 mi (1,897.74 km) |
| Merthyr Tudful to Osecina | 1,170.55 mi (1,883.81 km) |
| Merthyr Tudful to Padinska Skela | 1,183.03 mi (1,903.90 km) |
| Merthyr Tudful to Pancevo | 1,194.53 mi (1,922.40 km) |
| Merthyr Tudful to Paracin | 1,264.54 mi (2,035.09 km) |
| Merthyr Tudful to Pecinci | 1,165.52 mi (1,875.73 km) |
| Merthyr Tudful to Petrovac na Mlavi | 1,245.11 mi (2,003.81 km) |
| Merthyr Tudful to Petrovaradin | 1,148.63 mi (1,848.54 km) |
| Merthyr Tudful to Pirot | 1,340.80 mi (2,157.81 km) |
| Merthyr Tudful to Plandiste | 1,201.76 mi (1,934.04 km) |
| Merthyr Tudful to Pozarevac | 1,226.57 mi (1,973.97 km) |
| Merthyr Tudful to Pozega | 1,208.79 mi (1,945.36 km) |
| Merthyr Tudful to Presevo | 1,337.46 mi (2,152.43 km) |
| Merthyr Tudful to Priboj | 1,198.58 mi (1,928.92 km) |
| Merthyr Tudful to Prijepolje | 1,205.27 mi (1,939.70 km) |
