| Watford to Albenga | 659.01 mi (1,060.57 km) |
| Watford to Alberobello | 1,123.60 mi (1,808.25 km) |
| Watford to Albignasego | 709.02 mi (1,141.06 km) |
| Watford to Albinea | 701.13 mi (1,128.36 km) |
| Watford to Albino | 616.91 mi (992.83 km) |
| Watford to Alcamo | 1,145.74 mi (1,843.89 km) |
| Watford to Alessandria | 622.34 mi (1,001.55 km) |
| Watford to Alfonsine | 756.13 mi (1,216.88 km) |
| Watford to Alghero | 871.37 mi (1,402.33 km) |
| Watford to Alpignano | 579.81 mi (933.11 km) |
| Watford to Altamura | 1,098.08 mi (1,767.19 km) |
| Watford to Altavilla Vicentina | 686.33 mi (1,104.54 km) |
| Watford to Altofonte | 1,150.72 mi (1,851.91 km) |
| Watford to Altopascio | 745.64 mi (1,199.99 km) |
| Watford to Alzano Lombardo | 616.01 mi (991.36 km) |
