| Barreiro to Pemberton | 1,070.98 mi (1,723.58 km) |
| Barreiro to Pembroke Dock | 921.77 mi (1,483.45 km) |
| Barreiro to Pen-y-Bont ar Ogwr | 926.04 mi (1,490.32 km) |
| Barreiro to Penarth | 926.89 mi (1,491.68 km) |
| Barreiro to Pencoed | 928.09 mi (1,493.61 km) |
| Barreiro to Pendlebury | 1,074.04 mi (1,728.50 km) |
| Barreiro to Penicuik | 1,215.83 mi (1,956.69 km) |
| Barreiro to Penistone | 1,085.26 mi (1,746.56 km) |
| Barreiro to Penkridge | 1,026.45 mi (1,651.91 km) |
| Barreiro to Penrith | 1,144.02 mi (1,841.13 km) |
| Barreiro to Penwortham | 1,083.71 mi (1,744.07 km) |
| Barreiro to Penzance | 809.99 mi (1,303.56 km) |
| Barreiro to Perivale | 984.71 mi (1,584.74 km) |
| Barreiro to Perry Barr | 1,016.97 mi (1,636.66 km) |
| Barreiro to Perth | 1,251.81 mi (2,014.59 km) |
