| Opovo to Marsala | 649.55 mi (1,045.35 km) |
| Opovo to Marsciano | 428.49 mi (689.58 km) |
| Opovo to Martano | 352.26 mi (566.90 km) |
| Opovo to Martellago | 403.33 mi (649.10 km) |
| Opovo to Martina Franca | 339.05 mi (545.65 km) |
| Opovo to Martinengo | 518.97 mi (835.19 km) |
| Opovo to Martinsicuro | 356.75 mi (574.13 km) |
| Opovo to Mascali | 572.41 mi (921.21 km) |
| Opovo to Mascalucia | 587.41 mi (945.35 km) |
| Opovo to Masera di Padova | 417.24 mi (671.49 km) |
| Opovo to Maserada sul Piave | 396.39 mi (637.92 km) |
| Opovo to Massa | 511.58 mi (823.30 km) |
| Opovo to Massa Lombarda | 424.49 mi (683.15 km) |
| Opovo to Massafra | 351.39 mi (565.51 km) |
| Opovo to Massalubrense | 434.29 mi (698.92 km) |
