| Watford to Aviano | 703.52 mi (1,132.21 km) |
| Watford to Avigliana | 577.69 mi (929.70 km) |
| Watford to Avigliano | 1,074.15 mi (1,728.67 km) |
| Watford to Avola | 1,269.87 mi (2,043.66 km) |
| Watford to Azzano Decimo | 716.40 mi (1,152.93 km) |
| Watford to Bacoli | 1,016.87 mi (1,636.49 km) |
| Watford to Badia Polesine | 707.82 mi (1,139.12 km) |
| Watford to Bagheria | 1,154.36 mi (1,857.76 km) |
| Watford to Bagnacavallo | 757.92 mi (1,219.76 km) |
| Watford to Bagnara Calabra | 1,211.66 mi (1,949.98 km) |
| Watford to Bagno a Ripoli | 769.53 mi (1,238.43 km) |
| Watford to Bagnolo in Piano | 696.27 mi (1,120.53 km) |
| Watford to Bagnolo Mella | 646.12 mi (1,039.84 km) |
| Watford to Barano d'Ischia | 1,016.15 mi (1,635.33 km) |
| Watford to Baranzate | 605.90 mi (975.10 km) |
