| Boulogne-sur-Mer to Bruchsal | 329.45 mi (530.20 km) |
| Boulogne-sur-Mer to Bruckmuhl | 503.42 mi (810.18 km) |
| Boulogne-sur-Mer to Bruggen | 201.80 mi (324.77 km) |
| Boulogne-sur-Mer to Bruhl | 230.97 mi (371.71 km) |
| Boulogne-sur-Mer to Bruhl | 320.20 mi (515.32 km) |
| Boulogne-sur-Mer to Brunsbuttel | 385.66 mi (620.67 km) |
| Boulogne-sur-Mer to Buchen in Odenwald | 351.29 mi (565.35 km) |
| Boulogne-sur-Mer to Buchholz in der Nordheide | 393.54 mi (633.34 km) |
| Boulogne-sur-Mer to Buchloe | 449.53 mi (723.46 km) |
| Boulogne-sur-Mer to Buckeburg | 336.75 mi (541.94 km) |
| Boulogne-sur-Mer to Budelsdorf | 419.82 mi (675.64 km) |
| Boulogne-sur-Mer to Budenheim | 292.77 mi (471.16 km) |
| Boulogne-sur-Mer to Budingen | 330.69 mi (532.19 km) |
| Boulogne-sur-Mer to Buhl | 323.21 mi (520.15 km) |
| Boulogne-sur-Mer to Bunde | 317.31 mi (510.66 km) |
