| Grande-Synthe to Beausoleil | 556.31 mi (895.30 km) |
| Grande-Synthe to Beauvais | 109.80 mi (176.71 km) |
| Grande-Synthe to Begles | 448.52 mi (721.82 km) |
| Grande-Synthe to Belfort | 310.16 mi (499.15 km) |
| Grande-Synthe to Bellegarde-sur-Valserine | 375.22 mi (603.86 km) |
| Grande-Synthe to Bellerive-sur-Allier | 342.10 mi (550.56 km) |
| Grande-Synthe to Bellevue | 148.11 mi (238.35 km) |
| Grande-Synthe to Belley | 394.79 mi (635.35 km) |
| Grande-Synthe to Berck-sur-Mer | 52.11 mi (83.87 km) |
| Grande-Synthe to Bergerac | 434.13 mi (698.66 km) |
| Grande-Synthe to Bernay | 153.01 mi (246.24 km) |
| Grande-Synthe to Berre-l'Etang | 537.80 mi (865.50 km) |
| Grande-Synthe to Besancon | 310.13 mi (499.11 km) |
| Grande-Synthe to Bethune | 36.53 mi (58.79 km) |
| Grande-Synthe to Betton | 263.57 mi (424.18 km) |
