| Cities | Distance |
|---|---|
| Watford to Aberaman | 130.17 mi (209.49 km) |
| Watford to Aberbargoed | 121.21 mi (195.06 km) |
| Watford to Aberdare | 130.68 mi (210.30 km) |
| Watford to Aberdeen | 385.84 mi (620.96 km) |
| Watford to Abergavenny | 112.74 mi (181.44 km) |
| Watford to Abergele | 174.82 mi (281.34 km) |
| Watford to Abertawe | 152.43 mi (245.31 km) |
| Watford to Abertillery | 117.22 mi (188.64 km) |
| Watford to Aberystwyth | 165.17 mi (265.81 km) |
| Watford to Abingdon | 38.04 mi (61.22 km) |
| Watford to Abram | 157.66 mi (253.74 km) |
| Watford to Accrington | 166.75 mi (268.35 km) |
| Watford to Acomb | 161.81 mi (260.41 km) |
| Watford to Acton | 11.15 mi (17.95 km) |
| Watford to Addlestone | 20.14 mi (32.41 km) |