| Herndon to Miranda de Ebro | 3,771.18 mi (6,069.13 km) |
| Herndon to Mislata | 3,983.08 mi (6,410.15 km) |
| Herndon to Moana | 3,506.70 mi (5,643.49 km) |
| Herndon to Moguer | 3,735.28 mi (6,011.34 km) |
| Herndon to Molina de Segura | 3,988.45 mi (6,418.79 km) |
| Herndon to Molins de Rey | 4,038.46 mi (6,499.27 km) |
| Herndon to Mollerusa | 3,979.79 mi (6,404.85 km) |
| Herndon to Mollet | 4,043.78 mi (6,507.84 km) |
| Herndon to Moncada | 4,044.22 mi (6,508.54 km) |
| Herndon to Moncada | 3,981.88 mi (6,408.21 km) |
| Herndon to Monforte de Lemos | 3,559.72 mi (5,728.81 km) |
| Herndon to Monforte del Cid | 4,001.76 mi (6,440.21 km) |
| Herndon to Mongat | 4,049.06 mi (6,516.33 km) |
| Herndon to Monovar | 3,994.75 mi (6,428.93 km) |
| Herndon to Monserrat | 3,977.70 mi (6,401.49 km) |
