| Ovar to Manerbio | 993.54 mi (1,598.94 km) |
| Ovar to Manfredonia | 1,272.09 mi (2,047.23 km) |
| Ovar to Maniago | 1,126.54 mi (1,812.99 km) |
| Ovar to Mantova | 1,022.24 mi (1,645.14 km) |
| Ovar to Maranello | 1,019.34 mi (1,640.46 km) |
| Ovar to Marano di Napoli | 1,188.48 mi (1,912.68 km) |
| Ovar to Marano Vicentino | 1,059.76 mi (1,705.53 km) |
| Ovar to Marcianise | 1,193.37 mi (1,920.54 km) |
| Ovar to Marcon | 1,099.10 mi (1,768.82 km) |
| Ovar to Mareno di Piave | 1,105.08 mi (1,778.46 km) |
| Ovar to Margherita di Savoia | 1,286.10 mi (2,069.78 km) |
| Ovar to Mariano Comense | 953.83 mi (1,535.04 km) |
| Ovar to Marigliano | 1,202.00 mi (1,934.43 km) |
| Ovar to Marino | 1,104.26 mi (1,777.14 km) |
| Ovar to Marostica | 1,070.88 mi (1,723.41 km) |
