| Slany to Bouguenais | 745.07 mi (1,199.08 km) |
| Slany to Boulogne-Billancourt | 539.28 mi (867.89 km) |
| Slany to Boulogne-sur-Mer | 548.81 mi (883.22 km) |
| Slany to Bourg-de-Peage | 552.27 mi (888.79 km) |
| Slany to Bourg-en-Bresse | 493.08 mi (793.53 km) |
| Slany to Bourg-la-Reine | 537.01 mi (864.23 km) |
| Slany to Bourg-les-Valence | 562.04 mi (904.52 km) |
| Slany to Bourges | 575.36 mi (925.95 km) |
| Slany to Bourgoin-Jallieu | 518.64 mi (834.67 km) |
| Slany to Bressuire | 705.40 mi (1,135.23 km) |
| Slany to Brest | 844.16 mi (1,358.54 km) |
| Slany to Bretigny-sur-Orge | 540.57 mi (869.97 km) |
| Slany to Breuillet | 547.36 mi (880.89 km) |
| Slany to Briancon | 506.04 mi (814.39 km) |
| Slany to Brie-Comte-Robert | 525.63 mi (845.93 km) |
