| Opovo to Massarosa | 504.28 mi (811.56 km) |
| Opovo to Matelica | 388.04 mi (624.49 km) |
| Opovo to Matera | 359.67 mi (578.83 km) |
| Opovo to Matino | 365.89 mi (588.85 km) |
| Opovo to Mazzarino | 625.53 mi (1,006.69 km) |
| Opovo to Meda | 548.03 mi (881.97 km) |
| Opovo to Medesano | 504.03 mi (811.16 km) |
| Opovo to Medicina | 433.10 mi (697.00 km) |
| Opovo to Meldola | 416.99 mi (671.08 km) |
| Opovo to Melegnano | 540.66 mi (870.11 km) |
| Opovo to Melendugno | 347.34 mi (558.98 km) |
| Opovo to Melfi | 369.56 mi (594.75 km) |
| Opovo to Melilli | 609.63 mi (981.11 km) |
| Opovo to Melito di Napoli | 423.73 mi (681.92 km) |
| Opovo to Melito di Porto Salvo | 548.30 mi (882.41 km) |
