| Helensburgh to Mancha Real | 1,260.65 mi (2,028.83 km) |
| Helensburgh to Manilva | 1,356.75 mi (2,183.47 km) |
| Helensburgh to Manises | 1,158.98 mi (1,865.21 km) |
| Helensburgh to Manlleu | 1,018.06 mi (1,638.41 km) |
| Helensburgh to Manresa | 1,030.28 mi (1,658.08 km) |
| Helensburgh to Manzanares | 1,177.64 mi (1,895.22 km) |
| Helensburgh to Manzanares el Real | 1,057.13 mi (1,701.29 km) |
| Helensburgh to Maracena | 1,301.11 mi (2,093.93 km) |
| Helensburgh to Marbella | 1,347.33 mi (2,168.32 km) |
| Helensburgh to Marchena | 1,291.28 mi (2,078.12 km) |
| Helensburgh to Marin | 957.76 mi (1,541.36 km) |
| Helensburgh to Marratxi | 1,181.79 mi (1,901.91 km) |
| Helensburgh to Martorell | 1,048.45 mi (1,687.31 km) |
| Helensburgh to Martos | 1,264.90 mi (2,035.66 km) |
| Helensburgh to Masamagrell | 1,153.98 mi (1,857.15 km) |
