| Langley Park to Manerbio | 4,257.92 mi (6,852.47 km) |
| Langley Park to Manfredonia | 4,638.25 mi (7,464.55 km) |
| Langley Park to Maniago | 4,340.80 mi (6,985.85 km) |
| Langley Park to Mantova | 4,292.98 mi (6,908.88 km) |
| Langley Park to Maranello | 4,316.90 mi (6,947.38 km) |
| Langley Park to Marano di Napoli | 4,589.24 mi (7,385.67 km) |
| Langley Park to Marano Vicentino | 4,302.36 mi (6,923.98 km) |
| Langley Park to Marcianise | 4,589.52 mi (7,386.12 km) |
| Langley Park to Marcon | 4,343.86 mi (6,990.77 km) |
| Langley Park to Mareno di Piave | 4,336.45 mi (6,978.84 km) |
| Langley Park to Margherita di Savoia | 4,658.36 mi (7,496.91 km) |
| Langley Park to Mariano Comense | 4,206.51 mi (6,769.72 km) |
| Langley Park to Marigliano | 4,599.82 mi (7,402.69 km) |
| Langley Park to Marino | 4,490.87 mi (7,227.35 km) |
| Langley Park to Marostica | 4,310.24 mi (6,936.66 km) |
