| Portishead to Montigny-les-Metz | 426.29 mi (686.05 km) |
| Portishead to Montivilliers | 186.34 mi (299.89 km) |
| Portishead to Montlouis-sur-Loire | 325.63 mi (524.05 km) |
| Portishead to Montlucon | 430.62 mi (693.01 km) |
| Portishead to Montmagny | 284.61 mi (458.04 km) |
| Portishead to Montmorency | 283.06 mi (455.55 km) |
| Portishead to Montpellier | 625.28 mi (1,006.29 km) |
| Portishead to Montreuil | 293.00 mi (471.54 km) |
| Portishead to Montrouge | 290.78 mi (467.97 km) |
| Portishead to Morangis | 296.32 mi (476.88 km) |
| Portishead to Morieres-les-Avignon | 630.61 mi (1,014.87 km) |
| Portishead to Morlaix | 206.30 mi (332.01 km) |
| Portishead to Morsang-sur-Orge | 298.78 mi (480.84 km) |
| Portishead to Mouans-Sartoux | 706.78 mi (1,137.45 km) |
| Portishead to Mougins | 708.57 mi (1,140.33 km) |
