| Frechen to Monchengladbach | 25.70 mi (41.36 km) |
| Frechen to Monschau | 34.75 mi (55.93 km) |
| Frechen to Montabaur | 55.21 mi (88.85 km) |
| Frechen to Moosburg | 284.42 mi (457.73 km) |
| Frechen to Morbach | 77.14 mi (124.15 km) |
| Frechen to Morfelden-Walldorf | 100.25 mi (161.33 km) |
| Frechen to Morlenbach | 124.43 mi (200.24 km) |
| Frechen to Morsbach | 39.38 mi (63.37 km) |
| Frechen to Mosbach | 149.43 mi (240.48 km) |
| Frechen to Mosigkau | 241.98 mi (389.43 km) |
| Frechen to Mossingen | 200.29 mi (322.34 km) |
| Frechen to Much | 25.41 mi (40.89 km) |
| Frechen to Mucheln | 217.75 mi (350.43 km) |
| Frechen to Muhlacker | 162.95 mi (262.24 km) |
| Frechen to Muhldorf | 315.14 mi (507.16 km) |
