| Gretna to Moncalieri | 5,135.74 mi (8,265.18 km) |
| Gretna to Mondolfo | 5,411.77 mi (8,709.41 km) |
| Gretna to Mondovi | 5,160.86 mi (8,305.61 km) |
| Gretna to Monesiglio | 5,171.40 mi (8,322.56 km) |
| Gretna to Monfalcone | 5,358.39 mi (8,623.49 km) |
| Gretna to Monopoli | 5,696.07 mi (9,166.93 km) |
| Gretna to Monreale | 5,621.84 mi (9,047.47 km) |
| Gretna to Monselice | 5,303.00 mi (8,534.35 km) |
| Gretna to Monserrato | 5,388.29 mi (8,671.62 km) |
| Gretna to Monsummano | 5,308.94 mi (8,543.91 km) |
| Gretna to Montagnana | 5,290.93 mi (8,514.93 km) |
| Gretna to Montale | 5,315.40 mi (8,554.31 km) |
| Gretna to Montalto di Castro | 5,394.84 mi (8,682.16 km) |
| Gretna to Montalto Uffugo | 5,703.84 mi (9,179.44 km) |
| Gretna to Monte Compatri | 5,464.08 mi (8,793.58 km) |
