| Watford to Bargas | 827.77 mi (1,332.16 km) |
| Watford to Bayona | 769.31 mi (1,238.09 km) |
| Watford to Baza | 985.96 mi (1,586.75 km) |
| Watford to Beasain | 600.68 mi (966.71 km) |
| Watford to Bejar | 819.76 mi (1,319.27 km) |
| Watford to Benaguacil | 833.43 mi (1,341.28 km) |
| Watford to Benahavis | 1,070.39 mi (1,722.63 km) |
| Watford to Benalmadena | 1,059.65 mi (1,705.34 km) |
| Watford to Benavente | 711.56 mi (1,145.15 km) |
| Watford to Benetuser | 845.01 mi (1,359.91 km) |
| Watford to Beniajan | 945.18 mi (1,521.13 km) |
| Watford to Benicarlo | 777.46 mi (1,251.19 km) |
| Watford to Benicasim | 801.76 mi (1,290.31 km) |
| Watford to Beniel | 940.72 mi (1,513.95 km) |
| Watford to Benifayo | 854.71 mi (1,375.52 km) |
