| Rockville Centre to Mombris | 3,862.29 mi (6,215.75 km) |
| Rockville Centre to Monchengladbach | 3,721.23 mi (5,988.74 km) |
| Rockville Centre to Monschau | 3,731.00 mi (6,004.46 km) |
| Rockville Centre to Montabaur | 3,797.75 mi (6,111.89 km) |
| Rockville Centre to Moosburg | 4,022.78 mi (6,474.04 km) |
| Rockville Centre to Morbach | 3,786.16 mi (6,093.24 km) |
| Rockville Centre to Morfelden-Walldorf | 3,840.64 mi (6,180.91 km) |
| Rockville Centre to Morlenbach | 3,858.37 mi (6,209.45 km) |
| Rockville Centre to Morsbach | 3,781.56 mi (6,085.84 km) |
| Rockville Centre to Mosbach | 3,882.24 mi (6,247.86 km) |
| Rockville Centre to Mosigkau | 3,931.59 mi (6,327.28 km) |
| Rockville Centre to Mossingen | 3,906.54 mi (6,286.97 km) |
| Rockville Centre to Much | 3,767.51 mi (6,063.23 km) |
| Rockville Centre to Mucheln | 3,930.62 mi (6,325.72 km) |
| Rockville Centre to Muhlacker | 3,881.46 mi (6,246.60 km) |
