| Seclin to Bougival | 122.91 mi (197.81 km) |
| Seclin to Bouguenais | 314.41 mi (505.99 km) |
| Seclin to Boulogne-Billancourt | 123.50 mi (198.75 km) |
| Seclin to Boulogne-sur-Mer | 63.20 mi (101.71 km) |
| Seclin to Bourg-de-Peage | 392.08 mi (630.99 km) |
| Seclin to Bourg-en-Bresse | 316.54 mi (509.42 km) |
| Seclin to Bourg-la-Reine | 126.31 mi (203.28 km) |
| Seclin to Bourg-les-Valence | 396.53 mi (638.16 km) |
| Seclin to Bourges | 241.06 mi (387.94 km) |
| Seclin to Bourgoin-Jallieu | 358.13 mi (576.35 km) |
| Seclin to Bressuire | 302.23 mi (486.39 km) |
| Seclin to Brest | 368.87 mi (593.64 km) |
| Seclin to Bretigny-sur-Orge | 137.69 mi (221.60 km) |
| Seclin to Breuillet | 142.25 mi (228.93 km) |
| Seclin to Briancon | 424.86 mi (683.75 km) |
