| Opera to Luzzara | 77.01 mi (123.94 km) |
| Opera to Luzzi | 545.44 mi (877.81 km) |
| Opera to Macerata | 253.99 mi (408.76 km) |
| Opera to Macerata Campania | 391.74 mi (630.45 km) |
| Opera to Macomer | 354.20 mi (570.03 km) |
| Opera to Maddaloni | 397.36 mi (639.48 km) |
| Opera to Magenta | 17.33 mi (27.89 km) |
| Opera to Magione | 213.51 mi (343.61 km) |
| Opera to Maglie | 579.98 mi (933.38 km) |
| Opera to Magnago | 24.20 mi (38.95 km) |
| Opera to Malalbergo | 122.10 mi (196.49 km) |
| Opera to Malnate | 33.00 mi (53.10 km) |
| Opera to Malo | 107.61 mi (173.18 km) |
| Opera to Mandello del Lario | 37.17 mi (59.82 km) |
| Opera to Manduria | 547.28 mi (880.76 km) |
