| Southgate to Bougival | 215.76 mi (347.23 km) |
| Southgate to Bouguenais | 314.98 mi (506.92 km) |
| Southgate to Boulogne-Billancourt | 219.70 mi (353.57 km) |
| Southgate to Boulogne-sur-Mer | 97.97 mi (157.67 km) |
| Southgate to Bourg-de-Peage | 513.59 mi (826.54 km) |
| Southgate to Bourg-en-Bresse | 446.58 mi (718.70 km) |
| Southgate to Bourg-la-Reine | 224.67 mi (361.56 km) |
| Southgate to Bourg-les-Valence | 516.02 mi (830.45 km) |
| Southgate to Bourges | 334.01 mi (537.54 km) |
| Southgate to Bourgoin-Jallieu | 484.81 mi (780.22 km) |
| Southgate to Bressuire | 331.47 mi (533.45 km) |
| Southgate to Brest | 296.04 mi (476.43 km) |
| Southgate to Bretigny-sur-Orge | 234.82 mi (377.91 km) |
| Southgate to Breuillet | 234.99 mi (378.18 km) |
| Southgate to Briancon | 559.22 mi (899.97 km) |
