| Portet-sur-Garonne to Manfredonia | 748.70 mi (1,204.92 km) |
| Portet-sur-Garonne to Maniago | 582.84 mi (937.99 km) |
| Portet-sur-Garonne to Mantova | 477.02 mi (767.69 km) |
| Portet-sur-Garonne to Maranello | 474.88 mi (764.24 km) |
| Portet-sur-Garonne to Marano di Napoli | 677.73 mi (1,090.70 km) |
| Portet-sur-Garonne to Marano Vicentino | 515.25 mi (829.21 km) |
| Portet-sur-Garonne to Marcianise | 680.43 mi (1,095.05 km) |
| Portet-sur-Garonne to Marcon | 554.06 mi (891.68 km) |
| Portet-sur-Garonne to Mareno di Piave | 560.58 mi (902.16 km) |
| Portet-sur-Garonne to Margherita di Savoia | 765.26 mi (1,231.57 km) |
| Portet-sur-Garonne to Mariano Comense | 410.86 mi (661.21 km) |
| Portet-sur-Garonne to Marigliano | 690.09 mi (1,110.59 km) |
| Portet-sur-Garonne to Marino | 584.52 mi (940.69 km) |
| Portet-sur-Garonne to Marostica | 526.39 mi (847.15 km) |
| Portet-sur-Garonne to Marsala | 699.41 mi (1,125.60 km) |
