| Rockville to Manerbio | 4,261.48 mi (6,858.19 km) |
| Rockville to Manfredonia | 4,642.04 mi (7,470.64 km) |
| Rockville to Maniago | 4,344.03 mi (6,991.03 km) |
| Rockville to Mantova | 4,296.53 mi (6,914.60 km) |
| Rockville to Maranello | 4,320.56 mi (6,953.27 km) |
| Rockville to Marano di Napoli | 4,593.29 mi (7,392.19 km) |
| Rockville to Marano Vicentino | 4,305.76 mi (6,929.46 km) |
| Rockville to Marcianise | 4,593.54 mi (7,392.59 km) |
| Rockville to Marcon | 4,347.23 mi (6,996.19 km) |
| Rockville to Mareno di Piave | 4,339.76 mi (6,984.17 km) |
| Rockville to Margherita di Savoia | 4,662.18 mi (7,503.05 km) |
| Rockville to Mariano Comense | 4,210.07 mi (6,775.46 km) |
| Rockville to Marigliano | 4,603.84 mi (7,409.17 km) |
| Rockville to Marino | 4,494.89 mi (7,233.83 km) |
| Rockville to Marostica | 4,313.62 mi (6,942.10 km) |
