| Boppard to Monchengladbach | 83.92 mi (135.06 km) |
| Boppard to Monschau | 63.01 mi (101.40 km) |
| Boppard to Montabaur | 17.61 mi (28.34 km) |
| Boppard to Moosburg | 230.32 mi (370.66 km) |
| Boppard to Morbach | 35.55 mi (57.21 km) |
| Boppard to Morfelden-Walldorf | 46.79 mi (75.30 km) |
| Boppard to Morlenbach | 67.15 mi (108.07 km) |
| Boppard to Morsbach | 44.24 mi (71.20 km) |
| Boppard to Mosbach | 92.23 mi (148.43 km) |
| Boppard to Mosigkau | 230.03 mi (370.20 km) |
| Boppard to Mossingen | 142.34 mi (229.08 km) |
| Boppard to Much | 48.08 mi (77.38 km) |
| Boppard to Mucheln | 198.17 mi (318.93 km) |
| Boppard to Muhlacker | 104.72 mi (168.52 km) |
| Boppard to Muhldorf | 261.31 mi (420.55 km) |
