| Watford to San Maurizio Canavese | 576.56 mi (927.88 km) |
| Watford to San Mauro Pascoli | 788.56 mi (1,269.07 km) |
| Watford to San Mauro Torinese | 586.41 mi (943.74 km) |
| Watford to San Michele al Tagliamento | 732.04 mi (1,178.11 km) |
| Watford to San Miniato | 758.04 mi (1,219.96 km) |
| Watford to San Pancrazio Salentino | 1,163.49 mi (1,872.46 km) |
| Watford to San Pietro in Casale | 723.86 mi (1,164.94 km) |
| Watford to San Pietro Vernotico | 1,167.75 mi (1,879.31 km) |
| Watford to San Prisco | 1,007.91 mi (1,622.08 km) |
| Watford to San Remo | 660.47 mi (1,062.93 km) |
| Watford to San Salvo | 972.07 mi (1,564.39 km) |
| Watford to San Sebastiano al Vesuvio | 1,024.16 mi (1,648.22 km) |
| Watford to San Severino Marche | 858.43 mi (1,381.51 km) |
| Watford to San Severo | 1,012.33 mi (1,629.19 km) |
| Watford to San Valentino Torio | 1,034.11 mi (1,664.24 km) |
