| Horb am Neckar to Matelica | 414.23 mi (666.63 km) |
| Horb am Neckar to Matera | 662.90 mi (1,066.84 km) |
| Horb am Neckar to Matino | 744.66 mi (1,198.41 km) |
| Horb am Neckar to Mazzarino | 818.48 mi (1,317.21 km) |
| Horb am Neckar to Meda | 193.28 mi (311.06 km) |
| Horb am Neckar to Medesano | 264.33 mi (425.39 km) |
| Horb am Neckar to Medicina | 307.42 mi (494.75 km) |
| Horb am Neckar to Meldola | 338.27 mi (544.39 km) |
| Horb am Neckar to Melegnano | 215.34 mi (346.55 km) |
| Horb am Neckar to Melendugno | 737.89 mi (1,187.51 km) |
| Horb am Neckar to Melfi | 616.94 mi (992.87 km) |
| Horb am Neckar to Melilli | 842.78 mi (1,356.32 km) |
| Horb am Neckar to Melito di Napoli | 586.74 mi (944.27 km) |
| Horb am Neckar to Melito di Porto Salvo | 809.62 mi (1,302.96 km) |
| Horb am Neckar to Melzo | 206.35 mi (332.09 km) |
