| Greenock to Massarosa | 1,066.80 mi (1,716.85 km) |
| Greenock to Matelica | 1,177.43 mi (1,894.89 km) |
| Greenock to Matera | 1,430.19 mi (2,301.66 km) |
| Greenock to Matino | 1,512.70 mi (2,434.46 km) |
| Greenock to Mazzarino | 1,560.46 mi (2,511.31 km) |
| Greenock to Meda | 931.79 mi (1,499.58 km) |
| Greenock to Medesano | 1,010.67 mi (1,626.51 km) |
| Greenock to Medicina | 1,068.57 mi (1,719.70 km) |
| Greenock to Meldola | 1,100.25 mi (1,770.69 km) |
| Greenock to Melegnano | 953.58 mi (1,534.63 km) |
| Greenock to Melendugno | 1,505.87 mi (2,423.46 km) |
| Greenock to Melfi | 1,382.83 mi (2,225.44 km) |
| Greenock to Melilli | 1,591.75 mi (2,561.67 km) |
| Greenock to Melito di Napoli | 1,346.30 mi (2,166.65 km) |
| Greenock to Melito di Porto Salvo | 1,566.01 mi (2,520.24 km) |
