| Cachan to Bougival | 10.11 mi (16.27 km) |
| Cachan to Bouguenais | 214.12 mi (344.60 km) |
| Cachan to Boulogne-Billancourt | 5.11 mi (8.22 km) |
| Cachan to Boulogne-sur-Mer | 137.44 mi (221.19 km) |
| Cachan to Bourg-de-Peage | 289.32 mi (465.62 km) |
| Cachan to Bourg-en-Bresse | 224.06 mi (360.59 km) |
| Cachan to Bourg-la-Reine | 1.14 mi (1.84 km) |
| Cachan to Bourg-les-Valence | 291.88 mi (469.73 km) |
| Cachan to Bourges | 118.01 mi (189.93 km) |
| Cachan to Bourgoin-Jallieu | 260.99 mi (420.02 km) |
| Cachan to Bressuire | 187.89 mi (302.38 km) |
| Cachan to Brest | 312.89 mi (503.55 km) |
| Cachan to Bretigny-sur-Orge | 12.53 mi (20.16 km) |
| Cachan to Breuillet | 17.23 mi (27.74 km) |
| Cachan to Briancon | 337.25 mi (542.76 km) |
