| Rio Maior to Mengen | 1,088.96 mi (1,752.51 km) |
| Rio Maior to Meppen | 1,201.92 mi (1,934.31 km) |
| Rio Maior to Merchweiler | 1,047.03 mi (1,685.04 km) |
| Rio Maior to Mering | 1,164.04 mi (1,873.34 km) |
| Rio Maior to Merseburg | 1,304.33 mi (2,099.11 km) |
| Rio Maior to Merzenich | 1,090.90 mi (1,755.64 km) |
| Rio Maior to Merzig | 1,034.55 mi (1,664.95 km) |
| Rio Maior to Meschede | 1,172.73 mi (1,887.33 km) |
| Rio Maior to Messkirch | 1,078.22 mi (1,735.22 km) |
| Rio Maior to Messstetten | 1,078.06 mi (1,734.97 km) |
| Rio Maior to Mettingen | 1,199.31 mi (1,930.11 km) |
| Rio Maior to Mettlach | 1,035.57 mi (1,666.60 km) |
| Rio Maior to Mettmann | 1,124.51 mi (1,809.72 km) |
| Rio Maior to Metzingen | 1,102.76 mi (1,774.72 km) |
| Rio Maior to Meuselwitz | 1,305.02 mi (2,100.22 km) |
