| Altenstadt to Monchengladbach | 126.68 mi (203.88 km) |
| Altenstadt to Monschau | 119.86 mi (192.89 km) |
| Altenstadt to Montabaur | 50.44 mi (81.17 km) |
| Altenstadt to Moosburg | 184.00 mi (296.12 km) |
| Altenstadt to Morbach | 87.34 mi (140.56 km) |
| Altenstadt to Morfelden-Walldorf | 25.41 mi (40.90 km) |
| Altenstadt to Morlenbach | 48.33 mi (77.79 km) |
| Altenstadt to Morsbach | 67.21 mi (108.16 km) |
| Altenstadt to Mosbach | 65.12 mi (104.79 km) |
| Altenstadt to Mosigkau | 178.37 mi (287.06 km) |
| Altenstadt to Mossingen | 129.94 mi (209.12 km) |
| Altenstadt to Much | 80.57 mi (129.67 km) |
| Altenstadt to Mucheln | 143.03 mi (230.18 km) |
| Altenstadt to Muhlacker | 92.40 mi (148.71 km) |
| Altenstadt to Muhldorf | 214.17 mi (344.68 km) |