| Horb am Neckar to Menen | 297.40 mi (478.62 km) |
| Horb am Neckar to Merchtem | 264.54 mi (425.74 km) |
| Horb am Neckar to Merelbeke | 282.51 mi (454.65 km) |
| Horb am Neckar to Merksem | 270.49 mi (435.32 km) |
| Horb am Neckar to Merksplas | 263.94 mi (424.78 km) |
| Horb am Neckar to Mettet | 222.86 mi (358.67 km) |
| Horb am Neckar to Meulebeke | 296.99 mi (477.95 km) |
| Horb am Neckar to Middelkerke | 322.88 mi (519.63 km) |
| Horb am Neckar to Mol | 247.29 mi (397.98 km) |
| Horb am Neckar to Mons | 253.98 mi (408.74 km) |
| Horb am Neckar to Montignies-le-Tilleul | 235.37 mi (378.79 km) |
| Horb am Neckar to Moorslede | 303.01 mi (487.64 km) |
| Horb am Neckar to Moortebeek | 256.10 mi (412.15 km) |
| Horb am Neckar to Morlanwelz-Mariemont | 243.42 mi (391.74 km) |
| Horb am Neckar to Mortsel | 266.07 mi (428.20 km) |
