| Glenn Dale to Manerbio | 4,250.61 mi (6,840.70 km) |
| Glenn Dale to Manfredonia | 4,630.82 mi (7,452.58 km) |
| Glenn Dale to Maniago | 4,333.68 mi (6,974.39 km) |
| Glenn Dale to Mantova | 4,285.67 mi (6,897.13 km) |
| Glenn Dale to Maranello | 4,309.53 mi (6,935.52 km) |
| Glenn Dale to Marano di Napoli | 4,581.66 mi (7,373.46 km) |
| Glenn Dale to Marano Vicentino | 4,295.14 mi (6,912.36 km) |
| Glenn Dale to Marcianise | 4,581.95 mi (7,373.94 km) |
| Glenn Dale to Marcon | 4,336.66 mi (6,979.18 km) |
| Glenn Dale to Mareno di Piave | 4,329.28 mi (6,967.30 km) |
| Glenn Dale to Margherita di Savoia | 4,650.91 mi (7,484.92 km) |
| Glenn Dale to Mariano Comense | 4,199.20 mi (6,757.96 km) |
| Glenn Dale to Marigliano | 4,592.25 mi (7,390.51 km) |
| Glenn Dale to Marino | 4,483.30 mi (7,215.18 km) |
| Glenn Dale to Marostica | 4,303.04 mi (6,925.07 km) |
