| Karlovo to Meppen | 1,065.63 mi (1,714.97 km) |
| Karlovo to Merchweiler | 966.63 mi (1,555.63 km) |
| Karlovo to Mering | 772.66 mi (1,243.47 km) |
| Karlovo to Merseburg | 850.25 mi (1,368.34 km) |
| Karlovo to Merzenich | 1,029.59 mi (1,656.96 km) |
| Karlovo to Merzig | 987.43 mi (1,589.12 km) |
| Karlovo to Meschede | 980.18 mi (1,577.45 km) |
| Karlovo to Messkirch | 845.26 mi (1,360.32 km) |
| Karlovo to Messstetten | 856.27 mi (1,378.03 km) |
| Karlovo to Mettingen | 1,034.14 mi (1,664.29 km) |
| Karlovo to Mettlach | 989.31 mi (1,592.14 km) |
| Karlovo to Mettmann | 1,026.04 mi (1,651.26 km) |
| Karlovo to Metzingen | 851.58 mi (1,370.48 km) |
| Karlovo to Meuselwitz | 826.55 mi (1,330.21 km) |
| Karlovo to Michelstadt | 896.26 mi (1,442.40 km) |
