| Harlau to Montilla | 1,729.71 mi (2,783.69 km) |
| Harlau to Montmelo | 1,275.08 mi (2,052.05 km) |
| Harlau to Montornes del Valles | 1,274.62 mi (2,051.31 km) |
| Harlau to Montoro | 1,701.98 mi (2,739.08 km) |
| Harlau to Monzon | 1,359.64 mi (2,188.12 km) |
| Harlau to Mora | 1,614.65 mi (2,598.53 km) |
| Harlau to Moralzarzal | 1,590.95 mi (2,560.39 km) |
| Harlau to Moron de la Frontera | 1,784.77 mi (2,872.31 km) |
| Harlau to Mostoles | 1,597.18 mi (2,570.42 km) |
| Harlau to Motril | 1,711.19 mi (2,753.89 km) |
| Harlau to Muchamiel | 1,507.52 mi (2,426.12 km) |
| Harlau to Mula | 1,569.01 mi (2,525.08 km) |
| Harlau to Munguia | 1,461.71 mi (2,352.40 km) |
| Harlau to Murcia | 1,554.82 mi (2,502.25 km) |
| Harlau to Muro del Alcoy | 1,493.37 mi (2,403.34 km) |
