| Seclin to Monchengladbach | 155.07 mi (249.57 km) |
| Seclin to Monschau | 141.65 mi (227.97 km) |
| Seclin to Montabaur | 210.93 mi (339.46 km) |
| Seclin to Moosburg | 424.26 mi (682.77 km) |
| Seclin to Morbach | 187.74 mi (302.14 km) |
| Seclin to Morfelden-Walldorf | 248.10 mi (399.28 km) |
| Seclin to Morlenbach | 261.38 mi (420.65 km) |
| Seclin to Morsbach | 206.24 mi (331.90 km) |
| Seclin to Mosbach | 284.15 mi (457.29 km) |
| Seclin to Mosigkau | 408.02 mi (656.65 km) |
| Seclin to Mossingen | 308.31 mi (496.18 km) |
| Seclin to Much | 192.79 mi (310.27 km) |
| Seclin to Mucheln | 385.26 mi (620.02 km) |
| Seclin to Muhlacker | 281.81 mi (453.53 km) |
| Seclin to Muhldorf | 455.17 mi (732.53 km) |
