| Boulogne-sur-Mer to Geraardsbergen | 98.49 mi (158.51 km) |
| Boulogne-sur-Mer to Gerpinnes | 130.75 mi (210.43 km) |
| Boulogne-sur-Mer to Gistel | 65.94 mi (106.13 km) |
| Boulogne-sur-Mer to Gooik | 109.46 mi (176.16 km) |
| Boulogne-sur-Mer to Grez-Doiceau | 134.93 mi (217.14 km) |
| Boulogne-sur-Mer to Grimbergen | 121.66 mi (195.79 km) |
| Boulogne-sur-Mer to Grobbendonk | 138.89 mi (223.51 km) |
| Boulogne-sur-Mer to Haacht | 132.96 mi (213.98 km) |
| Boulogne-sur-Mer to Haaltert | 104.82 mi (168.69 km) |
| Boulogne-sur-Mer to Halen | 153.46 mi (246.97 km) |
| Boulogne-sur-Mer to Halle | 114.69 mi (184.57 km) |
| Boulogne-sur-Mer to Hamme | 112.47 mi (181.00 km) |
| Boulogne-sur-Mer to Hannut | 151.85 mi (244.37 km) |
| Boulogne-sur-Mer to Harelbeke | 74.72 mi (120.26 km) |
| Boulogne-sur-Mer to Hasselt | 163.11 mi (262.50 km) |
