| Portes-les-Valence to Mendicino | 697.03 mi (1,121.77 km) |
| Portes-les-Valence to Menfi | 654.10 mi (1,052.67 km) |
| Portes-les-Valence to Mentana | 436.80 mi (702.96 km) |
| Portes-les-Valence to Merano | 327.13 mi (526.47 km) |
| Portes-les-Valence to Merate | 228.73 mi (368.10 km) |
| Portes-les-Valence to Mercato San Severino | 574.77 mi (925.00 km) |
| Portes-les-Valence to Mercogliano | 568.54 mi (914.98 km) |
| Portes-les-Valence to Mesagne | 719.26 mi (1,157.54 km) |
| Portes-les-Valence to Messina | 718.65 mi (1,156.55 km) |
| Portes-les-Valence to Mestre | 360.92 mi (580.84 km) |
| Portes-les-Valence to Mestrino | 337.93 mi (543.85 km) |
| Portes-les-Valence to Milan | 214.06 mi (344.49 km) |
| Portes-les-Valence to Milazzo | 705.07 mi (1,134.71 km) |
| Portes-les-Valence to Minerbio | 324.04 mi (521.50 km) |
| Portes-les-Valence to Minervino Murge | 622.83 mi (1,002.34 km) |
