| Opera to Mislata | 637.92 mi (1,026.64 km) |
| Opera to Moana | 918.62 mi (1,478.37 km) |
| Opera to Moguer | 1,000.98 mi (1,610.92 km) |
| Opera to Molina de Segura | 737.58 mi (1,187.02 km) |
| Opera to Molins de Rey | 453.46 mi (729.78 km) |
| Opera to Mollerusa | 490.59 mi (789.52 km) |
| Opera to Mollet | 440.33 mi (708.64 km) |
| Opera to Moncada | 443.39 mi (713.57 km) |
| Opera to Moncada | 633.83 mi (1,020.05 km) |
| Opera to Monforte de Lemos | 853.88 mi (1,374.19 km) |
| Opera to Monforte del Cid | 703.29 mi (1,131.84 km) |
| Opera to Mongat | 440.67 mi (709.18 km) |
| Opera to Monovar | 704.43 mi (1,133.67 km) |
| Opera to Monserrat | 650.78 mi (1,047.33 km) |
| Opera to Montijo | 923.96 mi (1,486.97 km) |
