| Enfield Lock to Bougival | 216.01 mi (347.63 km) |
| Enfield Lock to Bouguenais | 318.46 mi (512.51 km) |
| Enfield Lock to Boulogne-Billancourt | 219.87 mi (353.85 km) |
| Enfield Lock to Boulogne-sur-Mer | 96.35 mi (155.06 km) |
| Enfield Lock to Bourg-de-Peage | 513.72 mi (826.75 km) |
| Enfield Lock to Bourg-en-Bresse | 446.23 mi (718.14 km) |
| Enfield Lock to Bourg-la-Reine | 224.81 mi (361.80 km) |
| Enfield Lock to Bourg-les-Valence | 516.24 mi (830.81 km) |
| Enfield Lock to Bourges | 334.91 mi (538.99 km) |
| Enfield Lock to Bourgoin-Jallieu | 484.67 mi (779.99 km) |
| Enfield Lock to Bressuire | 334.27 mi (537.96 km) |
| Enfield Lock to Brest | 300.84 mi (484.16 km) |
| Enfield Lock to Bretigny-sur-Orge | 235.09 mi (378.34 km) |
| Enfield Lock to Breuillet | 235.41 mi (378.85 km) |
| Enfield Lock to Briancon | 558.75 mi (899.22 km) |
