| Difficult Run to Mozzate | 4,216.41 mi (6,785.66 km) |
| Difficult Run to Muggia | 4,423.19 mi (7,118.44 km) |
| Difficult Run to Muggio | 4,231.21 mi (6,809.47 km) |
| Difficult Run to Mugnano di Napoli | 4,609.73 mi (7,418.64 km) |
| Difficult Run to Musile di Piave | 4,372.14 mi (7,036.28 km) |
| Difficult Run to Mussomeli | 4,713.10 mi (7,585.01 km) |
| Difficult Run to Naples | 4,614.31 mi (7,426.01 km) |
| Difficult Run to Nardo | 4,805.33 mi (7,733.44 km) |
| Difficult Run to Narni | 4,477.34 mi (7,205.58 km) |
| Difficult Run to Nembro | 4,249.07 mi (6,838.22 km) |
| Difficult Run to Nepi | 4,479.49 mi (7,209.04 km) |
| Difficult Run to Nerviano | 4,222.09 mi (6,794.79 km) |
| Difficult Run to Nettuno | 4,521.22 mi (7,276.21 km) |
| Difficult Run to Nichelino | 4,181.88 mi (6,730.08 km) |
| Difficult Run to Nicosia | 4,736.29 mi (7,622.32 km) |
