| Castaic to Mombris | 5,782.74 mi (9,306.42 km) |
| Castaic to Monchengladbach | 5,644.43 mi (9,083.84 km) |
| Castaic to Monschau | 5,671.50 mi (9,127.40 km) |
| Castaic to Montabaur | 5,724.33 mi (9,212.42 km) |
| Castaic to Moosburg | 5,947.54 mi (9,571.64 km) |
| Castaic to Morbach | 5,735.05 mi (9,229.67 km) |
| Castaic to Morfelden-Walldorf | 5,769.17 mi (9,284.59 km) |
| Castaic to Morlenbach | 5,794.51 mi (9,325.37 km) |
| Castaic to Morsbach | 5,699.09 mi (9,171.80 km) |
| Castaic to Mosbach | 5,819.45 mi (9,365.51 km) |
| Castaic to Mosigkau | 5,774.74 mi (9,293.55 km) |
| Castaic to Mossingen | 5,866.19 mi (9,440.72 km) |
| Castaic to Much | 5,687.27 mi (9,152.77 km) |
| Castaic to Mucheln | 5,791.67 mi (9,320.79 km) |
| Castaic to Muhlacker | 5,831.31 mi (9,384.59 km) |
