| Herndon to Mombris | 4,089.38 mi (6,581.22 km) |
| Herndon to Monchengladbach | 3,948.03 mi (6,353.74 km) |
| Herndon to Monschau | 3,958.35 mi (6,370.35 km) |
| Herndon to Montabaur | 4,024.86 mi (6,477.39 km) |
| Herndon to Moosburg | 4,250.39 mi (6,840.34 km) |
| Herndon to Morbach | 4,013.89 mi (6,459.73 km) |
| Herndon to Morfelden-Walldorf | 4,067.92 mi (6,546.68 km) |
| Herndon to Morlenbach | 4,085.91 mi (6,575.64 km) |
| Herndon to Morsbach | 4,008.35 mi (6,450.82 km) |
| Herndon to Mosbach | 4,109.86 mi (6,614.19 km) |
| Herndon to Mosigkau | 4,156.34 mi (6,688.99 km) |
| Herndon to Mossingen | 4,134.82 mi (6,654.35 km) |
| Herndon to Much | 3,994.33 mi (6,428.26 km) |
| Herndon to Mucheln | 4,156.00 mi (6,688.44 km) |
| Herndon to Muhlacker | 4,109.43 mi (6,613.48 km) |
