| Duncan to Mombris | 5,097.41 mi (8,203.49 km) |
| Duncan to Monchengladbach | 4,954.32 mi (7,973.21 km) |
| Duncan to Monschau | 4,971.82 mi (8,001.37 km) |
| Duncan to Montabaur | 5,034.06 mi (8,101.54 km) |
| Duncan to Moosburg | 5,263.28 mi (8,470.43 km) |
| Duncan to Morbach | 5,031.81 mi (8,097.91 km) |
| Duncan to Morfelden-Walldorf | 5,078.75 mi (8,173.47 km) |
| Duncan to Morlenbach | 5,100.14 mi (8,207.88 km) |
| Duncan to Morsbach | 5,013.58 mi (8,068.57 km) |
| Duncan to Mosbach | 5,124.99 mi (8,247.87 km) |
| Duncan to Mosigkau | 5,134.49 mi (8,263.16 km) |
| Duncan to Mossingen | 5,159.29 mi (8,303.08 km) |
| Duncan to Much | 5,000.17 mi (8,047.00 km) |
| Duncan to Mucheln | 5,141.43 mi (8,274.33 km) |
| Duncan to Muhlacker | 5,129.56 mi (8,255.23 km) |
