| Comacchio to Marly-le-Roi | 556.76 mi (896.02 km) |
| Comacchio to Marmande | 590.87 mi (950.91 km) |
| Comacchio to Maromme | 618.60 mi (995.55 km) |
| Comacchio to Marquette-les-Lille | 591.05 mi (951.20 km) |
| Comacchio to Marseille | 352.13 mi (566.70 km) |
| Comacchio to Martigues | 365.33 mi (587.94 km) |
| Comacchio to Massy | 545.30 mi (877.58 km) |
| Comacchio to Maubeuge | 542.93 mi (873.75 km) |
| Comacchio to Mauguio | 411.94 mi (662.95 km) |
| Comacchio to Mauleon | 640.68 mi (1,031.08 km) |
| Comacchio to Maurepas | 559.55 mi (900.52 km) |
| Comacchio to Maxeville | 397.49 mi (639.69 km) |
| Comacchio to Mayenne | 656.54 mi (1,056.60 km) |
| Comacchio to Mazamet | 493.57 mi (794.33 km) |
| Comacchio to Meaux | 528.29 mi (850.20 km) |
