| Gourock to Melzo | 949.83 mi (1,528.60 km) |
| Gourock to Mendicino | 1,500.27 mi (2,414.45 km) |
| Gourock to Menfi | 1,511.67 mi (2,432.80 km) |
| Gourock to Mentana | 1,239.52 mi (1,994.81 km) |
| Gourock to Merano | 937.99 mi (1,509.54 km) |
| Gourock to Merate | 939.07 mi (1,511.28 km) |
| Gourock to Mercato San Severino | 1,371.00 mi (2,206.41 km) |
| Gourock to Mercogliano | 1,362.26 mi (2,192.35 km) |
| Gourock to Mesagne | 1,474.34 mi (2,372.73 km) |
| Gourock to Messina | 1,544.83 mi (2,486.16 km) |
| Gourock to Mestre | 1,033.56 mi (1,663.35 km) |
| Gourock to Mestrino | 1,021.32 mi (1,643.65 km) |
| Gourock to Milan | 945.37 mi (1,521.43 km) |
| Gourock to Milazzo | 1,534.65 mi (2,469.79 km) |
| Gourock to Minerbio | 1,058.09 mi (1,702.82 km) |
