| Swansea to Perth | 3,936.21 mi (6,334.72 km) |
| Swansea to Peterborough | 4,159.56 mi (6,694.17 km) |
| Swansea to Peterhead | 3,965.64 mi (6,382.09 km) |
| Swansea to Peterlee | 4,055.47 mi (6,526.65 km) |
| Swansea to Petersfield | 4,179.70 mi (6,726.57 km) |
| Swansea to Pinner | 4,183.07 mi (6,732.01 km) |
| Swansea to Pitsea | 4,218.18 mi (6,788.51 km) |
| Swansea to Plumstead | 4,204.70 mi (6,766.82 km) |
| Swansea to Plymouth | 4,071.40 mi (6,552.28 km) |
| Swansea to Plympton | 4,074.64 mi (6,557.50 km) |
| Swansea to Plymstock | 4,073.91 mi (6,556.32 km) |
| Swansea to Polegate | 4,231.39 mi (6,809.76 km) |
| Swansea to Ponders End | 4,194.68 mi (6,750.69 km) |
| Swansea to Pont-y-pwl | 4,077.00 mi (6,561.30 km) |
| Swansea to Pontardulais | 4,037.74 mi (6,498.12 km) |
