| Holyhead to Piedras Blancas | 676.37 mi (1,088.51 km) |
| Holyhead to Piera | 866.48 mi (1,394.47 km) |
| Holyhead to Pilar de la Horadada | 1,082.67 mi (1,742.39 km) |
| Holyhead to Pilas | 1,108.88 mi (1,784.56 km) |
| Holyhead to Pinos Puente | 1,110.38 mi (1,786.98 km) |
| Holyhead to Pinto | 903.35 mi (1,453.80 km) |
| Holyhead to Pizarra | 1,142.97 mi (1,839.43 km) |
| Holyhead to Plasencia | 920.21 mi (1,480.94 km) |
| Holyhead to Pola de Laviana | 697.27 mi (1,122.15 km) |
| Holyhead to Pola de Lena | 703.48 mi (1,132.13 km) |
| Holyhead to Pola de Siero | 687.37 mi (1,106.21 km) |
| Holyhead to Pollensa | 995.21 mi (1,601.63 km) |
| Holyhead to Ponferrada | 749.07 mi (1,205.51 km) |
| Holyhead to Pontevedra | 773.66 mi (1,245.08 km) |
| Holyhead to Portugalete | 694.14 mi (1,117.11 km) |
