| Difficult Run to Mengen | 4,158.38 mi (6,692.26 km) |
| Difficult Run to Meppen | 3,943.39 mi (6,346.28 km) |
| Difficult Run to Merchweiler | 4,026.03 mi (6,479.26 km) |
| Difficult Run to Mering | 4,219.76 mi (6,791.05 km) |
| Difficult Run to Merseburg | 4,163.54 mi (6,700.57 km) |
| Difficult Run to Merzenich | 3,963.49 mi (6,378.61 km) |
| Difficult Run to Merzig | 4,005.31 mi (6,445.92 km) |
| Difficult Run to Meschede | 4,018.82 mi (6,467.67 km) |
| Difficult Run to Messkirch | 4,151.12 mi (6,680.58 km) |
| Difficult Run to Messstetten | 4,139.17 mi (6,661.35 km) |
| Difficult Run to Mettingen | 3,972.42 mi (6,392.99 km) |
| Difficult Run to Mettlach | 4,003.33 mi (6,442.74 km) |
| Difficult Run to Mettmann | 3,969.49 mi (6,388.28 km) |
| Difficult Run to Metzingen | 4,141.65 mi (6,665.34 km) |
| Difficult Run to Meuselwitz | 4,184.83 mi (6,734.83 km) |
