| Glenn Dale to Mombris | 4,065.38 mi (6,542.60 km) |
| Glenn Dale to Monchengladbach | 3,924.17 mi (6,315.33 km) |
| Glenn Dale to Monschau | 3,934.22 mi (6,331.51 km) |
| Glenn Dale to Montabaur | 4,000.85 mi (6,438.75 km) |
| Glenn Dale to Moosburg | 4,226.14 mi (6,801.31 km) |
| Glenn Dale to Morbach | 3,989.57 mi (6,420.60 km) |
| Glenn Dale to Morfelden-Walldorf | 4,043.83 mi (6,507.91 km) |
| Glenn Dale to Morlenbach | 4,061.69 mi (6,536.66 km) |
| Glenn Dale to Morsbach | 3,984.49 mi (6,412.42 km) |
| Glenn Dale to Mosbach | 4,085.60 mi (6,575.14 km) |
| Glenn Dale to Mosigkau | 4,133.36 mi (6,652.00 km) |
| Glenn Dale to Mossingen | 4,110.21 mi (6,614.74 km) |
| Glenn Dale to Much | 3,970.46 mi (6,389.84 km) |
| Glenn Dale to Mucheln | 4,132.77 mi (6,651.04 km) |
| Glenn Dale to Muhlacker | 4,084.98 mi (6,574.14 km) |
