| Gretna to Luzzara | 5,266.45 mi (8,475.54 km) |
| Gretna to Luzzi | 5,707.93 mi (9,186.03 km) |
| Gretna to Macerata | 5,442.83 mi (8,759.39 km) |
| Gretna to Macerata Campania | 5,558.37 mi (8,945.34 km) |
| Gretna to Macomer | 5,337.40 mi (8,589.72 km) |
| Gretna to Maddaloni | 5,564.76 mi (8,955.61 km) |
| Gretna to Magenta | 5,172.82 mi (8,324.85 km) |
| Gretna to Magione | 5,393.66 mi (8,680.25 km) |
| Gretna to Maglie | 5,764.42 mi (9,276.94 km) |
| Gretna to Magnago | 5,165.85 mi (8,313.63 km) |
| Gretna to Malalbergo | 5,311.25 mi (8,547.62 km) |
| Gretna to Malnate | 5,162.29 mi (8,307.90 km) |
| Gretna to Malo | 5,274.06 mi (8,487.79 km) |
| Gretna to Mandello del Lario | 5,177.05 mi (8,331.66 km) |
| Gretna to Manduria | 5,731.63 mi (9,224.16 km) |
