| Koblenz to Monchengladbach | 77.19 mi (124.23 km) |
| Koblenz to Monschau | 60.60 mi (97.53 km) |
| Koblenz to Montabaur | 11.39 mi (18.33 km) |
| Koblenz to Moosburg | 234.65 mi (377.63 km) |
| Koblenz to Morbach | 43.16 mi (69.45 km) |
| Koblenz to Morfelden-Walldorf | 50.19 mi (80.77 km) |
| Koblenz to Morlenbach | 72.96 mi (117.42 km) |
| Koblenz to Morsbach | 35.42 mi (57.00 km) |
| Koblenz to Mosbach | 98.01 mi (157.73 km) |
| Koblenz to Mosigkau | 225.38 mi (362.72 km) |
| Koblenz to Mossingen | 150.08 mi (241.52 km) |
| Koblenz to Much | 39.45 mi (63.49 km) |
| Koblenz to Mucheln | 194.52 mi (313.05 km) |
| Koblenz to Muhlacker | 112.12 mi (180.44 km) |
| Koblenz to Muhldorf | 265.56 mi (427.39 km) |
