| Seclin to Saint-Nazaire | 328.31 mi (528.36 km) |
| Seclin to Saint-Omer | 36.40 mi (58.58 km) |
| Seclin to Saint-Orens-de-Gameville | 488.51 mi (786.18 km) |
| Seclin to Saint-Ouen | 117.22 mi (188.65 km) |
| Seclin to Saint-Ouen-l'Aumone | 111.67 mi (179.71 km) |
| Seclin to Saint-Paul-les-Dax | 508.75 mi (818.76 km) |
| Seclin to Saint-Paul-Trois-Chateaux | 435.94 mi (701.58 km) |
| Seclin to Saint-Philbert-de-Grand-Lieu | 322.52 mi (519.04 km) |
| Seclin to Saint-Pierre-des-Corps | 241.82 mi (389.17 km) |
| Seclin to Saint-Pierre-du-Mont | 489.60 mi (787.94 km) |
| Seclin to Saint-Pierre-du-Perray | 135.83 mi (218.60 km) |
| Seclin to Saint-Pol-sur-Mer | 44.84 mi (72.16 km) |
| Seclin to Saint-Priest | 346.59 mi (557.79 km) |
| Seclin to Saint-Quentin | 49.66 mi (79.92 km) |
| Seclin to Saint-Rambert | 353.29 mi (568.56 km) |
