| Greenock to Marsala | 1,485.16 mi (2,390.14 km) |
| Greenock to Marsciano | 1,177.14 mi (1,894.43 km) |
| Greenock to Martano | 1,508.55 mi (2,427.78 km) |
| Greenock to Martellago | 1,026.32 mi (1,651.70 km) |
| Greenock to Martina Franca | 1,450.70 mi (2,334.67 km) |
| Greenock to Martinengo | 954.13 mi (1,535.53 km) |
| Greenock to Martinsicuro | 1,225.17 mi (1,971.71 km) |
| Greenock to Mascali | 1,559.91 mi (2,510.43 km) |
| Greenock to Mascalucia | 1,566.85 mi (2,521.61 km) |
| Greenock to Masera di Padova | 1,029.79 mi (1,657.29 km) |
| Greenock to Maserada sul Piave | 1,020.45 mi (1,642.26 km) |
| Greenock to Massa | 1,051.72 mi (1,692.58 km) |
| Greenock to Massa Lombarda | 1,075.79 mi (1,731.32 km) |
| Greenock to Massafra | 1,450.59 mi (2,334.50 km) |
| Greenock to Massalubrense | 1,367.01 mi (2,199.99 km) |
