| Merthyr Tudful to Pandino | 734.05 mi (1,181.35 km) |
| Merthyr Tudful to Paola | 1,262.83 mi (2,032.33 km) |
| Merthyr Tudful to Parabiago | 704.96 mi (1,134.52 km) |
| Merthyr Tudful to Parabita | 1,304.06 mi (2,098.68 km) |
| Merthyr Tudful to Parma | 789.90 mi (1,271.22 km) |
| Merthyr Tudful to Partanna | 1,249.13 mi (2,010.29 km) |
| Merthyr Tudful to Partinico | 1,237.84 mi (1,992.11 km) |
| Merthyr Tudful to Pasian di Prato | 846.89 mi (1,362.94 km) |
| Merthyr Tudful to Paterno | 1,321.68 mi (2,127.03 km) |
| Merthyr Tudful to Patti | 1,292.17 mi (2,079.55 km) |
| Merthyr Tudful to Paullo | 727.83 mi (1,171.33 km) |
| Merthyr Tudful to Pavia | 729.74 mi (1,174.41 km) |
| Merthyr Tudful to Pavullo nel Frignano | 830.14 mi (1,335.97 km) |
| Merthyr Tudful to Pedara | 1,324.32 mi (2,131.29 km) |
| Merthyr Tudful to Pellezzano | 1,147.77 mi (1,847.16 km) |
