| Flensburg to Menen | 381.14 mi (613.39 km) |
| Flensburg to Merchtem | 341.24 mi (549.17 km) |
| Flensburg to Merelbeke | 352.59 mi (567.44 km) |
| Flensburg to Merksem | 320.64 mi (516.02 km) |
| Flensburg to Merksplas | 302.63 mi (487.04 km) |
| Flensburg to Mettet | 367.78 mi (591.88 km) |
| Flensburg to Meulebeke | 368.39 mi (592.87 km) |
| Flensburg to Middelkerke | 370.59 mi (596.41 km) |
| Flensburg to Mol | 306.66 mi (493.52 km) |
| Flensburg to Mons | 377.33 mi (607.26 km) |
| Flensburg to Montignies-le-Tilleul | 370.43 mi (596.15 km) |
| Flensburg to Moorslede | 377.95 mi (608.26 km) |
| Flensburg to Moortebeek | 344.69 mi (554.73 km) |
| Flensburg to Morlanwelz-Mariemont | 370.23 mi (595.83 km) |
| Flensburg to Mortsel | 324.11 mi (521.60 km) |
