| Watford to Beocin | 1,020.47 mi (1,642.29 km) |
| Watford to Blace | 1,159.42 mi (1,865.90 km) |
| Watford to Bogatic | 1,024.42 mi (1,648.64 km) |
| Watford to Bojnik | 1,188.38 mi (1,912.51 km) |
| Watford to Boljevac | 1,164.33 mi (1,873.80 km) |
| Watford to Bor | 1,158.37 mi (1,864.21 km) |
| Watford to Borca | 1,062.24 mi (1,709.51 km) |
| Watford to Bosilegrad | 1,240.42 mi (1,996.26 km) |
| Watford to Brus | 1,145.49 mi (1,843.49 km) |
| Watford to Bujanovac | 1,213.86 mi (1,953.52 km) |
| Watford to Cacak | 1,097.07 mi (1,765.56 km) |
| Watford to Cajetina | 1,077.76 mi (1,734.49 km) |
| Watford to Cicevac | 1,148.40 mi (1,848.18 km) |
| Watford to Coka | 1,010.91 mi (1,626.90 km) |
| Watford to Crna Trava | 1,220.24 mi (1,963.79 km) |
