| Portici to Mombris | 685.96 mi (1,103.94 km) |
| Portici to Monchengladbach | 810.31 mi (1,304.07 km) |
| Portici to Monschau | 776.87 mi (1,250.25 km) |
| Portici to Montabaur | 734.63 mi (1,182.27 km) |
| Portici to Moosburg | 541.38 mi (871.26 km) |
| Portici to Morbach | 713.10 mi (1,147.62 km) |
| Portici to Morfelden-Walldorf | 692.54 mi (1,114.54 km) |
| Portici to Morlenbach | 664.64 mi (1,069.64 km) |
| Portici to Morsbach | 763.15 mi (1,228.17 km) |
| Portici to Mosbach | 641.30 mi (1,032.07 km) |
| Portici to Mosigkau | 767.50 mi (1,235.16 km) |
| Portici to Mossingen | 584.72 mi (941.02 km) |
| Portici to Much | 772.61 mi (1,243.40 km) |
| Portici to Mucheln | 734.18 mi (1,181.54 km) |
| Portici to Muhlacker | 622.57 mi (1,001.93 km) |
