| Boulogne-sur-Mer to Bersenbruck | 297.59 mi (478.93 km) |
| Boulogne-sur-Mer to Besigheim | 355.68 mi (572.41 km) |
| Boulogne-sur-Mer to Bestwig | 297.93 mi (479.47 km) |
| Boulogne-sur-Mer to Betzdorf | 273.49 mi (440.14 km) |
| Boulogne-sur-Mer to Beverstedt | 358.30 mi (576.63 km) |
| Boulogne-sur-Mer to Beverungen | 341.91 mi (550.25 km) |
| Boulogne-sur-Mer to Bexbach | 267.87 mi (431.10 km) |
| Boulogne-sur-Mer to Biberach | 409.28 mi (658.67 km) |
| Boulogne-sur-Mer to Biblis | 310.64 mi (499.93 km) |
| Boulogne-sur-Mer to Bieber | 305.21 mi (491.19 km) |
| Boulogne-sur-Mer to Biedenkopf | 302.12 mi (486.21 km) |
| Boulogne-sur-Mer to Bielefeld | 311.44 mi (501.22 km) |
| Boulogne-sur-Mer to Bietigheim-Bissingen | 356.17 mi (573.20 km) |
| Boulogne-sur-Mer to Billerbeck | 259.86 mi (418.20 km) |
| Boulogne-sur-Mer to Bingen am Rhein | 281.96 mi (453.78 km) |
