| Seclin to Saint-Lo | 208.64 mi (335.78 km) |
| Seclin to Saint-Loubes | 420.82 mi (677.25 km) |
| Seclin to Saint-Louis | 289.77 mi (466.33 km) |
| Seclin to Saint-Lys | 493.73 mi (794.58 km) |
| Seclin to Saint-Malo | 260.94 mi (419.94 km) |
| Seclin to Saint-Mande | 121.00 mi (194.73 km) |
| Seclin to Saint-Martin-Boulogne | 62.44 mi (100.49 km) |
| Seclin to Saint-Martin-d'Heres | 392.76 mi (632.09 km) |
| Seclin to Saint-Martin-de-Crau | 484.61 mi (779.91 km) |
| Seclin to Saint-Maur-des-Fosses | 123.14 mi (198.17 km) |
| Seclin to Saint-Maurice | 122.45 mi (197.07 km) |
| Seclin to Saint-Max | 191.05 mi (307.47 km) |
| Seclin to Saint-Maximin-la-Sainte-Baume | 507.96 mi (817.48 km) |
| Seclin to Saint-Medard-en-Jalles | 427.42 mi (687.87 km) |
| Seclin to Saint-Michel-sur-Orge | 136.31 mi (219.37 km) |
