| Watford to Aleksandrow Lodzki | 840.40 mi (1,352.49 km) |
| Watford to Andrychow | 868.91 mi (1,398.38 km) |
| Watford to Augustow | 984.60 mi (1,584.56 km) |
| Watford to Banino | 801.31 mi (1,289.58 km) |
| Watford to Barlinek | 663.72 mi (1,068.15 km) |
| Watford to Bartoszyce | 896.73 mi (1,443.15 km) |
| Watford to Bedzin | 850.87 mi (1,369.34 km) |
| Watford to Belchatow | 847.45 mi (1,363.84 km) |
| Watford to Biala Podlaska | 999.61 mi (1,608.71 km) |
| Watford to Bialogard | 700.98 mi (1,128.12 km) |
| Watford to Bialy Kamien | 721.49 mi (1,161.13 km) |
| Watford to Bialystok | 993.25 mi (1,598.48 km) |
| Watford to Bielawa | 738.16 mi (1,187.95 km) |
| Watford to Bielsk Podlaski | 997.42 mi (1,605.19 km) |
| Watford to Bielsko-Biala | 856.80 mi (1,378.88 km) |
