| Horizon West to Miranda de Ebro | 4,371.72 mi (7,035.60 km) |
| Horizon West to Mislata | 4,560.62 mi (7,339.61 km) |
| Horizon West to Moana | 4,090.08 mi (6,582.35 km) |
| Horizon West to Moguer | 4,271.64 mi (6,874.53 km) |
| Horizon West to Molina de Segura | 4,550.23 mi (7,322.89 km) |
| Horizon West to Molins de Rey | 4,640.11 mi (7,467.54 km) |
| Horizon West to Mollerusa | 4,580.38 mi (7,371.42 km) |
| Horizon West to Mollet | 4,647.00 mi (7,478.63 km) |
| Horizon West to Moncada | 4,646.96 mi (7,478.56 km) |
| Horizon West to Moncada | 4,560.13 mi (7,338.82 km) |
| Horizon West to Monforte de Lemos | 4,148.18 mi (6,675.85 km) |
| Horizon West to Monforte del Cid | 4,568.11 mi (7,351.67 km) |
| Horizon West to Mongat | 4,651.87 mi (7,486.46 km) |
| Horizon West to Monovar | 4,561.32 mi (7,340.74 km) |
| Horizon West to Monserrat | 4,553.60 mi (7,328.32 km) |
