| Portes-les-Valence to Manfredonia | 598.36 mi (962.96 km) |
| Portes-les-Valence to Maniago | 389.76 mi (627.25 km) |
| Portes-les-Valence to Mantova | 289.49 mi (465.89 km) |
| Portes-les-Valence to Maranello | 295.04 mi (474.83 km) |
| Portes-les-Valence to Marano di Napoli | 544.80 mi (876.78 km) |
| Portes-les-Valence to Marano Vicentino | 323.72 mi (520.98 km) |
| Portes-les-Valence to Marcianise | 544.93 mi (876.98 km) |
| Portes-les-Valence to Marcon | 364.22 mi (586.16 km) |
| Portes-les-Valence to Mareno di Piave | 368.91 mi (593.70 km) |
| Portes-les-Valence to Margherita di Savoia | 617.34 mi (993.51 km) |
| Portes-les-Valence to Mariano Comense | 216.98 mi (349.20 km) |
| Portes-les-Valence to Marigliano | 555.24 mi (893.57 km) |
| Portes-les-Valence to Marino | 446.29 mi (718.23 km) |
| Portes-les-Valence to Marostica | 334.76 mi (538.74 km) |
| Portes-les-Valence to Marsala | 626.07 mi (1,007.56 km) |
