| Gravelines to Bobenheim-Roxheim | 291.65 mi (469.37 km) |
| Gravelines to Bobingen | 431.55 mi (694.52 km) |
| Gravelines to Boblingen | 345.48 mi (555.99 km) |
| Gravelines to Bocholt | 202.09 mi (325.23 km) |
| Gravelines to Bochum | 222.73 mi (358.45 km) |
| Gravelines to Bockenem | 351.31 mi (565.38 km) |
| Gravelines to Bockhorn | 299.90 mi (482.64 km) |
| Gravelines to Bogen | 490.08 mi (788.71 km) |
| Gravelines to Bohl-Iggelheim | 295.26 mi (475.18 km) |
| Gravelines to Bohmte | 281.69 mi (453.34 km) |
| Gravelines to Boizenburg | 399.03 mi (642.17 km) |
| Gravelines to Bonen | 246.91 mi (397.37 km) |
| Gravelines to Bonn | 217.53 mi (350.08 km) |
| Gravelines to Bopfingen | 394.08 mi (634.20 km) |
| Gravelines to Boppard | 245.10 mi (394.46 km) |
