| Seclin to Bagnolet | 119.19 mi (191.81 km) |
| Seclin to Bagnols-sur-Ceze | 447.42 mi (720.06 km) |
| Seclin to Bailleul | 18.40 mi (29.61 km) |
| Seclin to Balma | 484.72 mi (780.08 km) |
| Seclin to Bar-le-Duc | 155.58 mi (250.38 km) |
| Seclin to Barentin | 115.29 mi (185.55 km) |
| Seclin to Basse-Goulaine | 307.69 mi (495.19 km) |
| Seclin to Bastia | 621.40 mi (1,000.05 km) |
| Seclin to Bayeux | 187.82 mi (302.26 km) |
| Seclin to Bayonne | 531.68 mi (855.66 km) |
| Seclin to Beaucaire | 471.86 mi (759.39 km) |
| Seclin to Beauchamp | 112.43 mi (180.95 km) |
| Seclin to Beaumont | 331.42 mi (533.37 km) |
| Seclin to Beaumont-sur-Oise | 102.62 mi (165.14 km) |
| Seclin to Beaune | 256.99 mi (413.58 km) |
