| Rietberg to Mombris | 123.94 mi (199.47 km) |
| Rietberg to Monchengladbach | 95.49 mi (153.67 km) |
| Rietberg to Monschau | 127.39 mi (205.01 km) |
| Rietberg to Montabaur | 97.76 mi (157.32 km) |
| Rietberg to Moosburg | 277.54 mi (446.66 km) |
| Rietberg to Morbach | 148.60 mi (239.14 km) |
| Rietberg to Morfelden-Walldorf | 124.54 mi (200.43 km) |
| Rietberg to Morlenbach | 152.65 mi (245.67 km) |
| Rietberg to Morsbach | 71.52 mi (115.10 km) |
| Rietberg to Mosbach | 172.00 mi (276.80 km) |
| Rietberg to Mosigkau | 162.30 mi (261.20 km) |
| Rietberg to Mossingen | 236.10 mi (379.96 km) |
| Rietberg to Much | 75.58 mi (121.63 km) |
| Rietberg to Mucheln | 148.70 mi (239.31 km) |
| Rietberg to Muhlacker | 197.73 mi (318.21 km) |
