| Watford to Billingham | 207.36 mi (333.71 km) |
| Watford to Bilston | 95.00 mi (152.89 km) |
| Watford to Binfield | 22.97 mi (36.96 km) |
| Watford to Bingham | 92.65 mi (149.11 km) |
| Watford to Bingley | 162.92 mi (262.19 km) |
| Watford to Birchington | 75.60 mi (121.67 km) |
| Watford to Birkenhead | 162.88 mi (262.12 km) |
| Watford to Birmingham | 85.70 mi (137.92 km) |
| Watford to Birstall | 152.96 mi (246.16 km) |
| Watford to Birstall | 76.78 mi (123.57 km) |
| Watford to Bishop Auckland | 214.48 mi (345.18 km) |
| Watford to Bishopbriggs | 332.53 mi (535.15 km) |
| Watford to Bishops Cleeve | 73.96 mi (119.02 km) |
| Watford to Bishops Stortford | 28.55 mi (45.95 km) |
| Watford to Bishopstoke | 62.24 mi (100.17 km) |
