| Saint-Cyr-sur-Mer to Beyne-Heusay | 513.58 mi (826.53 km) |
| Saint-Cyr-sur-Mer to Bierbeek | 530.39 mi (853.58 km) |
| Saint-Cyr-sur-Mer to Bilzen | 530.93 mi (854.44 km) |
| Saint-Cyr-sur-Mer to Binche | 503.88 mi (810.92 km) |
| Saint-Cyr-sur-Mer to Bissegem | 540.22 mi (869.41 km) |
| Saint-Cyr-sur-Mer to Blankenberge | 573.72 mi (923.31 km) |
| Saint-Cyr-sur-Mer to Blegny | 517.03 mi (832.08 km) |
| Saint-Cyr-sur-Mer to Bocholt | 551.99 mi (888.35 km) |
| Saint-Cyr-sur-Mer to Boechout | 553.40 mi (890.62 km) |
| Saint-Cyr-sur-Mer to Bonheiden | 545.15 mi (877.34 km) |
| Saint-Cyr-sur-Mer to Boom | 549.42 mi (884.21 km) |
| Saint-Cyr-sur-Mer to Boortmeerbeek | 541.56 mi (871.56 km) |
| Saint-Cyr-sur-Mer to Borgerhout | 557.85 mi (897.77 km) |
| Saint-Cyr-sur-Mer to Borgloon | 526.67 mi (847.60 km) |
| Saint-Cyr-sur-Mer to Bornem | 551.32 mi (887.26 km) |
