| Portet-sur-Garonne to Luzzi | 818.41 mi (1,317.11 km) |
| Portet-sur-Garonne to Macerata | 604.34 mi (972.59 km) |
| Portet-sur-Garonne to Macerata Campania | 678.04 mi (1,091.21 km) |
| Portet-sur-Garonne to Macomer | 440.82 mi (709.44 km) |
| Portet-sur-Garonne to Maddaloni | 684.54 mi (1,101.66 km) |
| Portet-sur-Garonne to Magenta | 391.63 mi (630.26 km) |
| Portet-sur-Garonne to Magione | 542.67 mi (873.34 km) |
| Portet-sur-Garonne to Maglie | 891.14 mi (1,434.15 km) |
| Portet-sur-Garonne to Magnago | 390.75 mi (628.86 km) |
| Portet-sur-Garonne to Malalbergo | 508.72 mi (818.70 km) |
| Portet-sur-Garonne to Malnate | 399.55 mi (643.01 km) |
| Portet-sur-Garonne to Malo | 513.24 mi (825.98 km) |
| Portet-sur-Garonne to Mandello del Lario | 421.91 mi (678.99 km) |
| Portet-sur-Garonne to Manduria | 859.62 mi (1,383.42 km) |
| Portet-sur-Garonne to Manerbio | 448.70 mi (722.12 km) |
