| Helensburgh to Miranda de Ebro | 924.72 mi (1,488.19 km) |
| Helensburgh to Mislata | 1,159.82 mi (1,866.55 km) |
| Helensburgh to Moana | 965.67 mi (1,554.10 km) |
| Helensburgh to Moguer | 1,298.63 mi (2,089.95 km) |
| Helensburgh to Molina de Segura | 1,251.66 mi (2,014.35 km) |
| Helensburgh to Molins de Rey | 1,053.60 mi (1,695.60 km) |
| Helensburgh to Mollerusa | 1,025.51 mi (1,650.41 km) |
| Helensburgh to Mollet | 1,048.03 mi (1,686.63 km) |
| Helensburgh to Moncada | 1,050.99 mi (1,691.40 km) |
| Helensburgh to Moncada | 1,155.15 mi (1,859.03 km) |
| Helensburgh to Monforte de Lemos | 940.98 mi (1,514.36 km) |
| Helensburgh to Monforte del Cid | 1,232.52 mi (1,983.54 km) |
| Helensburgh to Mongat | 1,053.54 mi (1,695.51 km) |
| Helensburgh to Monovar | 1,227.83 mi (1,976.00 km) |
| Helensburgh to Monserrat | 1,166.43 mi (1,877.19 km) |
