| Helensburgh to Marsala | 1,487.93 mi (2,394.59 km) |
| Helensburgh to Marsciano | 1,179.37 mi (1,898.02 km) |
| Helensburgh to Martano | 1,510.30 mi (2,430.60 km) |
| Helensburgh to Martellago | 1,028.14 mi (1,654.64 km) |
| Helensburgh to Martina Franca | 1,452.52 mi (2,337.60 km) |
| Helensburgh to Martinengo | 956.36 mi (1,539.11 km) |
| Helensburgh to Martinsicuro | 1,227.16 mi (1,974.93 km) |
| Helensburgh to Mascali | 1,562.33 mi (2,514.32 km) |
| Helensburgh to Mascalucia | 1,569.30 mi (2,525.55 km) |
| Helensburgh to Masera di Padova | 1,031.71 mi (1,660.37 km) |
| Helensburgh to Maserada sul Piave | 1,022.22 mi (1,645.10 km) |
| Helensburgh to Massa | 1,054.14 mi (1,696.47 km) |
| Helensburgh to Massa Lombarda | 1,077.87 mi (1,734.66 km) |
| Helensburgh to Massafra | 1,452.45 mi (2,337.50 km) |
| Helensburgh to Massalubrense | 1,369.24 mi (2,203.58 km) |
