| Cologne to Monchengladbach | 28.99 mi (46.66 km) |
| Cologne to Monschau | 40.04 mi (64.44 km) |
| Cologne to Montabaur | 51.46 mi (82.82 km) |
| Cologne to Moosburg | 280.35 mi (451.18 km) |
| Cologne to Morbach | 77.70 mi (125.05 km) |
| Cologne to Morfelden-Walldorf | 96.58 mi (155.42 km) |
| Cologne to Morlenbach | 121.43 mi (195.42 km) |
| Cologne to Morsbach | 33.63 mi (54.13 km) |
| Cologne to Mosbach | 146.34 mi (235.50 km) |
| Cologne to Mosigkau | 235.92 mi (379.67 km) |
| Cologne to Mossingen | 198.51 mi (319.47 km) |
| Cologne to Much | 19.52 mi (31.42 km) |
| Cologne to Mucheln | 211.68 mi (340.67 km) |
| Cologne to Muhlacker | 160.84 mi (258.85 km) |
| Cologne to Muhldorf | 310.99 mi (500.49 km) |
