| Port Glasgow to Montigny-les-Metz | 654.92 mi (1,053.99 km) |
| Port Glasgow to Montivilliers | 485.97 mi (782.09 km) |
| Port Glasgow to Montlouis-sur-Loire | 635.56 mi (1,022.83 km) |
| Port Glasgow to Montlucon | 733.44 mi (1,180.35 km) |
| Port Glasgow to Montmagny | 564.21 mi (908.01 km) |
| Port Glasgow to Montmorency | 562.68 mi (905.54 km) |
| Port Glasgow to Montpellier | 931.62 mi (1,499.29 km) |
| Port Glasgow to Montreuil | 573.16 mi (922.41 km) |
| Port Glasgow to Montrouge | 573.18 mi (922.44 km) |
| Port Glasgow to Morangis | 580.20 mi (933.75 km) |
| Port Glasgow to Morieres-les-Avignon | 929.99 mi (1,496.68 km) |
| Port Glasgow to Morlaix | 509.58 mi (820.09 km) |
| Port Glasgow to Morsang-sur-Orge | 583.17 mi (938.52 km) |
| Port Glasgow to Mouans-Sartoux | 994.33 mi (1,600.21 km) |
| Port Glasgow to Mougins | 996.08 mi (1,603.03 km) |
