| Watford to San Baudilio de Llobregat | 721.56 mi (1,161.24 km) |
| Watford to San Celoni | 701.86 mi (1,129.53 km) |
| Watford to San Cugat del Valles | 713.16 mi (1,147.73 km) |
| Watford to San Fausto de Campcentellas | 712.18 mi (1,146.14 km) |
| Watford to San Feliu de Guixols | 701.09 mi (1,128.29 km) |
| Watford to San Feliu de Llobregat | 719.01 mi (1,157.14 km) |
| Watford to San Fernando | 1,087.39 mi (1,749.99 km) |
| Watford to San Fernando de Henares | 790.16 mi (1,271.63 km) |
| Watford to San Fructuoso de Bages | 692.62 mi (1,114.66 km) |
| Watford to San Javier | 957.27 mi (1,540.58 km) |
| Watford to San Juan de Alicante | 915.74 mi (1,473.74 km) |
| Watford to San Juan de Aznalfarache | 1,024.56 mi (1,648.88 km) |
| Watford to San Juan de Vilasar | 713.53 mi (1,148.31 km) |
| Watford to San Juan del Puerto | 1,039.25 mi (1,672.51 km) |
| Watford to San Juan Despi | 720.24 mi (1,159.11 km) |
