| Otopeni to Mislata | 1,397.37 mi (2,248.85 km) |
| Otopeni to Moana | 1,741.24 mi (2,802.26 km) |
| Otopeni to Moguer | 1,776.81 mi (2,859.50 km) |
| Otopeni to Molina de Segura | 1,477.52 mi (2,377.84 km) |
| Otopeni to Molins de Rey | 1,230.35 mi (1,980.06 km) |
| Otopeni to Mollerusa | 1,280.85 mi (2,061.34 km) |
| Otopeni to Mollet | 1,218.15 mi (1,960.43 km) |
| Otopeni to Moncada | 1,220.32 mi (1,963.91 km) |
| Otopeni to Moncada | 1,394.47 mi (2,244.19 km) |
| Otopeni to Monforte de Lemos | 1,676.32 mi (2,697.77 km) |
| Otopeni to Monforte del Cid | 1,444.13 mi (2,324.10 km) |
| Otopeni to Mongat | 1,216.26 mi (1,957.38 km) |
| Otopeni to Monovar | 1,447.66 mi (2,329.78 km) |
| Otopeni to Monserrat | 1,409.77 mi (2,268.81 km) |
| Otopeni to Montijo | 1,717.66 mi (2,764.31 km) |
