| Wealdstone to Bougival | 218.05 mi (350.92 km) |
| Wealdstone to Bouguenais | 310.69 mi (500.00 km) |
| Wealdstone to Boulogne-Billancourt | 222.12 mi (357.47 km) |
| Wealdstone to Boulogne-sur-Mer | 103.66 mi (166.82 km) |
| Wealdstone to Bourg-de-Peage | 515.93 mi (830.31 km) |
| Wealdstone to Bourg-en-Bresse | 449.78 mi (723.85 km) |
| Wealdstone to Bourg-la-Reine | 227.13 mi (365.54 km) |
| Wealdstone to Bourg-les-Valence | 518.20 mi (833.96 km) |
| Wealdstone to Bourges | 335.02 mi (539.16 km) |
| Wealdstone to Bourgoin-Jallieu | 487.64 mi (784.78 km) |
| Wealdstone to Bressuire | 328.66 mi (528.93 km) |
| Wealdstone to Brest | 288.21 mi (463.82 km) |
| Wealdstone to Bretigny-sur-Orge | 237.06 mi (381.51 km) |
| Wealdstone to Breuillet | 236.96 mi (381.36 km) |
| Wealdstone to Briancon | 562.60 mi (905.42 km) |
