| Helensburgh to Manerbio | 978.15 mi (1,574.18 km) |
| Helensburgh to Manfredonia | 1,357.09 mi (2,184.02 km) |
| Helensburgh to Maniago | 1,012.92 mi (1,630.13 km) |
| Helensburgh to Mantova | 1,008.76 mi (1,623.44 km) |
| Helensburgh to Maranello | 1,045.85 mi (1,683.14 km) |
| Helensburgh to Marano di Napoli | 1,348.06 mi (2,169.49 km) |
| Helensburgh to Marano Vicentino | 997.92 mi (1,605.99 km) |
| Helensburgh to Marcianise | 1,343.65 mi (2,162.40 km) |
| Helensburgh to Marcon | 1,032.09 mi (1,660.99 km) |
| Helensburgh to Mareno di Piave | 1,018.50 mi (1,639.12 km) |
| Helensburgh to Margherita di Savoia | 1,379.09 mi (2,219.43 km) |
| Helensburgh to Mariano Comense | 932.69 mi (1,501.01 km) |
| Helensburgh to Marigliano | 1,353.72 mi (2,178.60 km) |
| Helensburgh to Marino | 1,255.19 mi (2,020.03 km) |
| Helensburgh to Marostica | 1,002.18 mi (1,612.85 km) |
