| Holyhead to Pontedera | 962.17 mi (1,548.47 km) |
| Holyhead to Pontinia | 1,160.40 mi (1,867.48 km) |
| Holyhead to Porcari | 952.31 mi (1,532.59 km) |
| Holyhead to Porcia | 919.95 mi (1,480.51 km) |
| Holyhead to Pordenone | 921.91 mi (1,483.68 km) |
| Holyhead to Portici | 1,234.53 mi (1,986.79 km) |
| Holyhead to Porto Empedocle | 1,406.86 mi (2,264.12 km) |
| Holyhead to Porto Recanati | 1,076.71 mi (1,732.80 km) |
| Holyhead to Porto Sant'Elpidio | 1,087.90 mi (1,750.81 km) |
| Holyhead to Porto Tolle | 955.58 mi (1,537.86 km) |
| Holyhead to Porto Torres | 1,054.17 mi (1,696.53 km) |
| Holyhead to Portoferraio | 997.15 mi (1,604.75 km) |
| Holyhead to Portogruaro | 936.07 mi (1,506.45 km) |
| Holyhead to Portomaggiore | 949.33 mi (1,527.80 km) |
| Holyhead to Potenza | 1,293.43 mi (2,081.58 km) |
