| Gretna to Michelstadt | 5,045.77 mi (8,120.38 km) |
| Gretna to Michendorf | 5,116.88 mi (8,234.83 km) |
| Gretna to Miesbach | 5,220.77 mi (8,402.01 km) |
| Gretna to Miltenberg | 5,055.40 mi (8,135.88 km) |
| Gretna to Mindelheim | 5,156.87 mi (8,299.18 km) |
| Gretna to Minden | 4,963.04 mi (7,987.25 km) |
| Gretna to Mittegrossefehn | 4,880.59 mi (7,854.55 km) |
| Gretna to Mittenwalde | 5,137.09 mi (8,267.35 km) |
| Gretna to Mittweida | 5,159.16 mi (8,302.87 km) |
| Gretna to Mockern | 5,082.37 mi (8,179.28 km) |
| Gretna to Moers | 4,898.47 mi (7,883.32 km) |
| Gretna to Moglingen | 5,075.30 mi (8,167.91 km) |
| Gretna to Mohnesee | 4,956.40 mi (7,976.55 km) |
| Gretna to Molbergen | 4,908.65 mi (7,899.71 km) |
| Gretna to Molln | 4,988.39 mi (8,028.04 km) |
