| Cascades to Bougival | 3,830.27 mi (6,164.23 km) |
| Cascades to Bouguenais | 3,711.13 mi (5,972.48 km) |
| Cascades to Boulogne-Billancourt | 3,835.32 mi (6,172.36 km) |
| Cascades to Boulogne-sur-Mer | 3,761.93 mi (6,054.25 km) |
| Cascades to Bourg-de-Peage | 4,062.98 mi (6,538.74 km) |
| Cascades to Bourg-en-Bresse | 4,035.96 mi (6,495.25 km) |
| Cascades to Bourg-la-Reine | 3,839.90 mi (6,179.72 km) |
| Cascades to Bourg-les-Valence | 4,058.90 mi (6,532.16 km) |
| Cascades to Bourges | 3,888.53 mi (6,257.99 km) |
| Cascades to Bourgoin-Jallieu | 4,056.31 mi (6,528.00 km) |
| Cascades to Bressuire | 3,769.33 mi (6,066.14 km) |
| Cascades to Brest | 3,557.52 mi (5,725.27 km) |
| Cascades to Bretigny-sur-Orge | 3,843.90 mi (6,186.15 km) |
| Cascades to Breuillet | 3,839.39 mi (6,178.90 km) |
| Cascades to Briancon | 4,136.80 mi (6,657.53 km) |
