| Port Glasgow to Marly-le-Roi | 565.28 mi (909.74 km) |
| Port Glasgow to Marmande | 818.15 mi (1,316.69 km) |
| Port Glasgow to Maromme | 505.88 mi (814.14 km) |
| Port Glasgow to Marquette-les-Lille | 483.73 mi (778.48 km) |
| Port Glasgow to Marseille | 980.17 mi (1,577.43 km) |
| Port Glasgow to Martigues | 966.85 mi (1,555.99 km) |
| Port Glasgow to Massy | 577.36 mi (929.16 km) |
| Port Glasgow to Maubeuge | 530.17 mi (853.22 km) |
| Port Glasgow to Mauguio | 933.67 mi (1,502.60 km) |
| Port Glasgow to Mauleon | 645.08 mi (1,038.15 km) |
| Port Glasgow to Maurepas | 568.58 mi (915.03 km) |
| Port Glasgow to Maxeville | 676.06 mi (1,088.01 km) |
| Port Glasgow to Mayenne | 554.65 mi (892.62 km) |
| Port Glasgow to Mazamet | 914.63 mi (1,471.95 km) |
| Port Glasgow to Meaux | 577.21 mi (928.93 km) |
