| Cities | Distance |
|---|---|
| Opera to Melzo | 12.61 mi (20.29 km) |
| Opera to Mendicino | 552.63 mi (889.38 km) |
| Opera to Menfi | 571.07 mi (919.05 km) |
| Opera to Mentana | 288.94 mi (465.00 km) |
| Opera to Merano | 128.77 mi (207.24 km) |
| Opera to Merate | 24.26 mi (39.05 km) |
| Opera to Mercato San Severino | 423.41 mi (681.41 km) |
| Opera to Mercogliano | 415.19 mi (668.19 km) |
| Opera to Mesagne | 546.32 mi (879.21 km) |
| Opera to Messina | 594.00 mi (955.96 km) |
| Opera to Mestre | 146.66 mi (236.03 km) |
| Opera to Mestrino | 123.76 mi (199.16 km) |
| Opera to Milan | 5.92 mi (9.53 km) |
| Opera to Milazzo | 583.83 mi (939.58 km) |
| Opera to Minerbio | 122.21 mi (196.68 km) |