| Romanshorn to Mengen | 33.62 mi (54.10 km) |
| Romanshorn to Meppen | 366.01 mi (589.04 km) |
| Romanshorn to Merchweiler | 162.72 mi (261.87 km) |
| Romanshorn to Mering | 89.53 mi (144.09 km) |
| Romanshorn to Merseburg | 287.40 mi (462.52 km) |
| Romanshorn to Merzenich | 259.07 mi (416.94 km) |
| Romanshorn to Merzig | 180.86 mi (291.06 km) |
| Romanshorn to Meschede | 266.02 mi (428.11 km) |
| Romanshorn to Messkirch | 31.75 mi (51.10 km) |
| Romanshorn to Messstetten | 46.38 mi (74.64 km) |
| Romanshorn to Mettingen | 335.78 mi (540.39 km) |
| Romanshorn to Mettlach | 183.52 mi (295.35 km) |
| Romanshorn to Mettmann | 276.40 mi (444.83 km) |
| Romanshorn to Metzingen | 67.32 mi (108.34 km) |
| Romanshorn to Meuselwitz | 274.93 mi (442.45 km) |
