| Portage to Mombris | 4,256.11 mi (6,849.54 km) |
| Portage to Monchengladbach | 4,113.05 mi (6,619.31 km) |
| Portage to Monschau | 4,129.14 mi (6,645.22 km) |
| Portage to Montabaur | 4,192.38 mi (6,746.98 km) |
| Portage to Moosburg | 4,421.35 mi (7,115.47 km) |
| Portage to Morbach | 4,188.40 mi (6,740.59 km) |
| Portage to Morfelden-Walldorf | 4,236.84 mi (6,818.53 km) |
| Portage to Morlenbach | 4,257.59 mi (6,851.93 km) |
| Portage to Morsbach | 4,172.67 mi (6,715.26 km) |
| Portage to Mosbach | 4,282.31 mi (6,891.72 km) |
| Portage to Mosigkau | 4,300.23 mi (6,920.55 km) |
| Portage to Mossingen | 4,314.93 mi (6,944.22 km) |
| Portage to Much | 4,159.10 mi (6,693.43 km) |
| Portage to Mucheln | 4,305.37 mi (6,928.82 km) |
| Portage to Muhlacker | 4,285.94 mi (6,897.55 km) |
