| Boulogne-sur-Mer to Blansko | 672.25 mi (1,081.88 km) |
| Boulogne-sur-Mer to Bohumin | 739.29 mi (1,189.77 km) |
| Boulogne-sur-Mer to Boskovice | 670.99 mi (1,079.86 km) |
| Boulogne-sur-Mer to Brandys nad Labem-Stara Boleslav | 574.60 mi (924.73 km) |
| Boulogne-sur-Mer to Breclav | 693.77 mi (1,116.52 km) |
| Boulogne-sur-Mer to Brevnov | 562.23 mi (904.82 km) |
| Boulogne-sur-Mer to Brno | 673.63 mi (1,084.10 km) |
| Boulogne-sur-Mer to Bruntal | 699.20 mi (1,125.26 km) |
| Boulogne-sur-Mer to Bystrc | 669.38 mi (1,077.26 km) |
| Boulogne-sur-Mer to Caslav | 609.65 mi (981.14 km) |
| Boulogne-sur-Mer to Celakovice | 578.53 mi (931.05 km) |
| Boulogne-sur-Mer to Ceska Lipa | 564.78 mi (908.92 km) |
| Boulogne-sur-Mer to Ceska Trebova | 655.80 mi (1,055.40 km) |
| Boulogne-sur-Mer to Ceske Budejovice | 584.76 mi (941.08 km) |
| Boulogne-sur-Mer to Cesky Krumlov | 581.22 mi (935.39 km) |
