| Helmstedt to Monchengladbach | 208.38 mi (335.36 km) |
| Helmstedt to Monschau | 235.08 mi (378.32 km) |
| Helmstedt to Montabaur | 184.92 mi (297.61 km) |
| Helmstedt to Moosburg | 263.05 mi (423.33 km) |
| Helmstedt to Morbach | 237.42 mi (382.09 km) |
| Helmstedt to Morfelden-Walldorf | 186.48 mi (300.11 km) |
| Helmstedt to Morlenbach | 206.88 mi (332.94 km) |
| Helmstedt to Morsbach | 169.91 mi (273.44 km) |
| Helmstedt to Mosbach | 214.72 mi (345.55 km) |
| Helmstedt to Mosigkau | 58.70 mi (94.46 km) |
| Helmstedt to Mossingen | 277.73 mi (446.96 km) |
| Helmstedt to Much | 179.55 mi (288.96 km) |
| Helmstedt to Mucheln | 72.47 mi (116.62 km) |
| Helmstedt to Muhlacker | 245.68 mi (395.38 km) |
| Helmstedt to Muhldorf | 283.15 mi (455.68 km) |