| Holyhead to Pemberton | 82.17 mi (132.25 km) |
| Holyhead to Pembroke Dock | 112.41 mi (180.90 km) |
| Holyhead to Pen-y-Bont ar Ogwr | 132.19 mi (212.73 km) |
| Holyhead to Penarth | 143.74 mi (231.33 km) |
| Holyhead to Pencoed | 132.25 mi (212.84 km) |
| Holyhead to Pendlebury | 96.43 mi (155.19 km) |
| Holyhead to Penicuik | 182.88 mi (294.31 km) |
| Holyhead to Penistone | 124.59 mi (200.51 km) |
| Holyhead to Penkridge | 112.10 mi (180.41 km) |
| Holyhead to Penrith | 120.81 mi (194.43 km) |
| Holyhead to Penwortham | 84.03 mi (135.23 km) |
| Holyhead to Penzance | 223.77 mi (360.13 km) |
| Holyhead to Perivale | 219.04 mi (352.51 km) |
| Holyhead to Perry Barr | 125.92 mi (202.65 km) |
| Holyhead to Perth | 218.54 mi (351.71 km) |
