| Flensburg to Monchengladbach | 277.16 mi (446.05 km) |
| Flensburg to Monschau | 320.62 mi (515.98 km) |
| Flensburg to Montabaur | 307.66 mi (495.13 km) |
| Flensburg to Moosburg | 449.21 mi (722.94 km) |
| Flensburg to Morbach | 356.74 mi (574.12 km) |
| Flensburg to Morfelden-Walldorf | 332.34 mi (534.86 km) |
| Flensburg to Morlenbach | 359.32 mi (578.28 km) |
| Flensburg to Morsbach | 279.86 mi (450.39 km) |
| Flensburg to Mosbach | 375.36 mi (604.08 km) |
| Flensburg to Mosigkau | 234.13 mi (376.79 km) |
| Flensburg to Mossingen | 440.80 mi (709.40 km) |
| Flensburg to Much | 280.22 mi (450.98 km) |
| Flensburg to Mucheln | 259.80 mi (418.11 km) |
| Flensburg to Muhlacker | 403.75 mi (649.77 km) |
| Flensburg to Muhldorf | 470.59 mi (757.34 km) |
