| Boulogne-sur-Mer to Monchengladbach | 212.19 mi (341.48 km) |
| Boulogne-sur-Mer to Monschau | 203.67 mi (327.77 km) |
| Boulogne-sur-Mer to Montabaur | 273.15 mi (439.58 km) |
| Boulogne-sur-Mer to Moosburg | 487.28 mi (784.20 km) |
| Boulogne-sur-Mer to Morbach | 250.91 mi (403.79 km) |
| Boulogne-sur-Mer to Morfelden-Walldorf | 311.10 mi (500.67 km) |
| Boulogne-sur-Mer to Morlenbach | 324.58 mi (522.36 km) |
| Boulogne-sur-Mer to Morsbach | 266.59 mi (429.03 km) |
| Boulogne-sur-Mer to Mosbach | 347.29 mi (558.91 km) |
| Boulogne-sur-Mer to Mosigkau | 464.82 mi (748.06 km) |
| Boulogne-sur-Mer to Mossingen | 369.82 mi (595.16 km) |
| Boulogne-sur-Mer to Much | 252.80 mi (406.84 km) |
| Boulogne-sur-Mer to Mucheln | 444.16 mi (714.80 km) |
| Boulogne-sur-Mer to Muhlacker | 344.37 mi (554.21 km) |
| Boulogne-sur-Mer to Muhldorf | 518.16 mi (833.90 km) |
