| Watford to Brescia | 642.21 mi (1,033.53 km) |
| Watford to Bressanone | 641.24 mi (1,031.98 km) |
| Watford to Bresso | 607.77 mi (978.10 km) |
| Watford to Brindisi | 1,155.97 mi (1,860.36 km) |
| Watford to Broni | 634.64 mi (1,021.36 km) |
| Watford to Bronte | 1,210.45 mi (1,948.03 km) |
| Watford to Brugherio | 610.74 mi (982.89 km) |
| Watford to Brugnera | 708.79 mi (1,140.69 km) |
| Watford to Bruino | 583.07 mi (938.36 km) |
| Watford to Brunico | 648.61 mi (1,043.83 km) |
| Watford to Brusciano | 1,021.25 mi (1,643.55 km) |
| Watford to Bucine | 793.28 mi (1,276.67 km) |
| Watford to Budrio | 735.87 mi (1,184.26 km) |
| Watford to Busca | 611.58 mi (984.24 km) |
| Watford to Bussolengo | 667.48 mi (1,074.21 km) |
