| Cities | Distance |
|---|---|
| Watford to Perth | 349.90 mi (563.12 km) |
| Watford to Peterborough | 63.32 mi (101.90 km) |
| Watford to Peterhead | 408.25 mi (657.02 km) |
| Watford to Peterlee | 217.99 mi (350.81 km) |
| Watford to Petersfield | 50.71 mi (81.61 km) |
| Watford to Pinner | 4.28 mi (6.89 km) |
| Watford to Pitsea | 39.06 mi (62.86 km) |
| Watford to Plumstead | 23.77 mi (38.25 km) |
| Watford to Plymouth | 185.41 mi (298.39 km) |
| Watford to Plympton | 181.43 mi (291.98 km) |
| Watford to Plymstock | 183.93 mi (296.00 km) |
| Watford to Polegate | 63.89 mi (102.82 km) |
| Watford to Ponders End | 15.00 mi (24.15 km) |
| Watford to Pont-y-pwl | 113.37 mi (182.46 km) |
| Watford to Pontardulais | 156.15 mi (251.30 km) |