| Glenn Dale to Luzzara | 4,287.29 mi (6,899.73 km) |
| Glenn Dale to Luzzi | 4,729.06 mi (7,610.68 km) |
| Glenn Dale to Macerata | 4,463.55 mi (7,183.40 km) |
| Glenn Dale to Macerata Campania | 4,579.26 mi (7,369.61 km) |
| Glenn Dale to Macomer | 4,360.61 mi (7,017.73 km) |
| Glenn Dale to Maddaloni | 4,585.64 mi (7,379.87 km) |
| Glenn Dale to Magenta | 4,193.61 mi (6,748.97 km) |
| Glenn Dale to Magione | 4,414.34 mi (7,104.20 km) |
| Glenn Dale to Maglie | 4,785.13 mi (7,700.92 km) |
| Glenn Dale to Magnago | 4,186.66 mi (6,737.79 km) |
| Glenn Dale to Malalbergo | 4,332.11 mi (6,971.86 km) |
| Glenn Dale to Malnate | 4,183.18 mi (6,732.17 km) |
| Glenn Dale to Malo | 4,295.30 mi (6,912.62 km) |
| Glenn Dale to Mandello del Lario | 4,198.04 mi (6,756.10 km) |
| Glenn Dale to Manduria | 4,752.33 mi (7,648.13 km) |
