| Gretna to Marly-le-Roi | 4,785.02 mi (7,700.74 km) |
| Gretna to Marmande | 4,814.85 mi (7,748.75 km) |
| Gretna to Maromme | 4,725.15 mi (7,604.39 km) |
| Gretna to Marquette-les-Lille | 4,778.06 mi (7,689.55 km) |
| Gretna to Marseille | 5,085.24 mi (8,183.91 km) |
| Gretna to Martigues | 5,067.38 mi (8,155.16 km) |
| Gretna to Massy | 4,796.03 mi (7,718.47 km) |
| Gretna to Maubeuge | 4,825.46 mi (7,765.83 km) |
| Gretna to Mauguio | 5,014.04 mi (8,069.31 km) |
| Gretna to Mauleon | 4,711.86 mi (7,583.01 km) |
| Gretna to Maurepas | 4,781.46 mi (7,695.01 km) |
| Gretna to Maxeville | 4,959.13 mi (7,980.95 km) |
| Gretna to Mayenne | 4,683.94 mi (7,538.07 km) |
| Gretna to Mazamet | 4,943.18 mi (7,955.28 km) |
| Gretna to Meaux | 4,815.90 mi (7,750.44 km) |
