| Gretna to Montigny-les-Metz | 4,947.47 mi (7,962.18 km) |
| Gretna to Montivilliers | 4,687.79 mi (7,544.27 km) |
| Gretna to Montlouis-sur-Loire | 4,769.09 mi (7,675.10 km) |
| Gretna to Montlucon | 4,874.35 mi (7,844.50 km) |
| Gretna to Montmagny | 4,792.80 mi (7,713.27 km) |
| Gretna to Montmorency | 4,791.39 mi (7,711.00 km) |
| Gretna to Montpellier | 5,008.26 mi (8,060.02 km) |
| Gretna to Montreuil | 4,799.86 mi (7,724.64 km) |
| Gretna to Montrouge | 4,795.90 mi (7,718.25 km) |
| Gretna to Morangis | 4,799.35 mi (7,723.80 km) |
| Gretna to Morieres-les-Avignon | 5,044.95 mi (8,119.06 km) |
| Gretna to Morlaix | 4,538.72 mi (7,304.37 km) |
| Gretna to Morsang-sur-Orge | 4,801.00 mi (7,726.46 km) |
| Gretna to Mouans-Sartoux | 5,147.32 mi (8,283.81 km) |
| Gretna to Mougins | 5,148.96 mi (8,286.46 km) |
