| Watford to Police | 639.99 mi (1,029.96 km) |
| Watford to Polkowice | 705.45 mi (1,135.32 km) |
| Watford to Poniatowa | 964.59 mi (1,552.35 km) |
| Watford to Poznan | 736.69 mi (1,185.59 km) |
| Watford to Prudnik | 785.04 mi (1,263.39 km) |
| Watford to Pruszcz Gdanski | 809.58 mi (1,302.89 km) |
| Watford to Pruszkow | 900.89 mi (1,449.84 km) |
| Watford to Przasnysz | 899.92 mi (1,448.28 km) |
| Watford to Przemysl | 1,017.08 mi (1,636.83 km) |
| Watford to Przeworsk | 1,000.37 mi (1,609.94 km) |
| Watford to Pszczyna | 849.76 mi (1,367.56 km) |
| Watford to Puck | 803.54 mi (1,293.17 km) |
| Watford to Pulawy | 957.47 mi (1,540.89 km) |
| Watford to Pultusk | 909.50 mi (1,463.71 km) |
| Watford to Puszczykowo | 733.83 mi (1,180.98 km) |
