| Southwater to Perth | 391.87 mi (630.65 km) |
| Southwater to Peterborough | 106.68 mi (171.69 km) |
| Southwater to Peterhead | 451.77 mi (727.05 km) |
| Southwater to Peterlee | 261.33 mi (420.58 km) |
| Southwater to Petersfield | 25.46 mi (40.97 km) |
| Southwater to Pinner | 39.37 mi (63.37 km) |
| Southwater to Pitsea | 52.81 mi (84.98 km) |
| Southwater to Plumstead | 37.47 mi (60.30 km) |
| Southwater to Plymouth | 171.84 mi (276.56 km) |
| Southwater to Plympton | 167.71 mi (269.90 km) |
| Southwater to Plymstock | 169.94 mi (273.48 km) |
| Southwater to Polegate | 29.51 mi (47.49 km) |
| Southwater to Ponders End | 44.98 mi (72.39 km) |
| Southwater to Pont-y-pwl | 125.10 mi (201.33 km) |
| Southwater to Pontardulais | 165.96 mi (267.08 km) |
