| Watford to Pachino | 1,280.68 mi (2,061.05 km) |
| Watford to Paderno Dugnano | 605.34 mi (974.20 km) |
| Watford to Padova | 706.80 mi (1,137.49 km) |
| Watford to Paese | 704.85 mi (1,134.34 km) |
| Watford to Palagiano | 1,127.50 mi (1,814.53 km) |
| Watford to Palagonia | 1,234.28 mi (1,986.38 km) |
| Watford to Palazzolo Acreide | 1,254.66 mi (2,019.18 km) |
| Watford to Palermo | 1,148.55 mi (1,848.40 km) |
| Watford to Palestrina | 922.81 mi (1,485.13 km) |
| Watford to Pallazzolo sull'Oglio | 627.73 mi (1,010.23 km) |
| Watford to Palma Campania | 1,028.29 mi (1,654.87 km) |
| Watford to Palma di Montechiaro | 1,214.65 mi (1,954.79 km) |
| Watford to Palmi | 1,207.99 mi (1,944.08 km) |
| Watford to Palo del Colle | 1,091.26 mi (1,756.21 km) |
| Watford to Palombara Sabina | 905.92 mi (1,457.93 km) |
