| Seclin to Beausoleil | 513.39 mi (826.22 km) |
| Seclin to Beauvais | 87.69 mi (141.12 km) |
| Seclin to Begles | 429.94 mi (691.93 km) |
| Seclin to Belfort | 264.99 mi (426.46 km) |
| Seclin to Bellegarde-sur-Valserine | 332.57 mi (535.23 km) |
| Seclin to Bellerive-sur-Allier | 306.70 mi (493.58 km) |
| Seclin to Bellevue | 119.41 mi (192.17 km) |
| Seclin to Belley | 352.80 mi (567.78 km) |
| Seclin to Berck-sur-Mer | 63.90 mi (102.84 km) |
| Seclin to Bergerac | 411.11 mi (661.62 km) |
| Seclin to Bernay | 148.03 mi (238.23 km) |
| Seclin to Berre-l'Etang | 498.90 mi (802.90 km) |
| Seclin to Besancon | 265.85 mi (427.85 km) |
| Seclin to Bethune | 17.11 mi (27.54 km) |
| Seclin to Betton | 266.25 mi (428.49 km) |
