| Langley Park to Marsala | 4,624.29 mi (7,442.08 km) |
| Langley Park to Marsciano | 4,435.73 mi (7,138.62 km) |
| Langley Park to Martano | 4,796.65 mi (7,719.46 km) |
| Langley Park to Martellago | 4,338.12 mi (6,981.53 km) |
| Langley Park to Martina Franca | 4,735.19 mi (7,620.55 km) |
| Langley Park to Martinengo | 4,235.67 mi (6,816.65 km) |
| Langley Park to Martinsicuro | 4,505.80 mi (7,251.39 km) |
| Langley Park to Mascali | 4,752.84 mi (7,648.95 km) |
| Langley Park to Mascalucia | 4,753.00 mi (7,649.22 km) |
| Langley Park to Masera di Padova | 4,333.51 mi (6,974.12 km) |
| Langley Park to Maserada sul Piave | 4,338.01 mi (6,981.36 km) |
| Langley Park to Massa | 4,301.74 mi (6,922.98 km) |
| Langley Park to Massa Lombarda | 4,360.60 mi (7,017.71 km) |
| Langley Park to Massafra | 4,730.19 mi (7,612.50 km) |
| Langley Park to Massalubrense | 4,607.03 mi (7,414.30 km) |
