| Herstal to Monchengladbach | 50.71 mi (81.60 km) |
| Herstal to Monschau | 28.30 mi (45.54 km) |
| Herstal to Montabaur | 97.54 mi (156.98 km) |
| Herstal to Moosburg | 320.48 mi (515.77 km) |
| Herstal to Morbach | 88.01 mi (141.63 km) |
| Herstal to Morfelden-Walldorf | 138.01 mi (222.10 km) |
| Herstal to Morlenbach | 155.98 mi (251.03 km) |
| Herstal to Morsbach | 92.08 mi (148.20 km) |
| Herstal to Mosbach | 180.49 mi (290.47 km) |
| Herstal to Mosigkau | 296.47 mi (477.13 km) |
| Herstal to Mossingen | 218.96 mi (352.38 km) |
| Herstal to Much | 79.07 mi (127.25 km) |
| Herstal to Mucheln | 271.70 mi (437.25 km) |
| Herstal to Muhlacker | 185.73 mi (298.90 km) |
| Herstal to Muhldorf | 351.55 mi (565.77 km) |
