| Heswall to Montijo | 1,010.02 mi (1,625.47 km) |
| Heswall to Montilla | 1,090.33 mi (1,754.71 km) |
| Heswall to Montmelo | 850.39 mi (1,368.57 km) |
| Heswall to Montornes del Valles | 851.31 mi (1,370.05 km) |
| Heswall to Montoro | 1,059.68 mi (1,705.39 km) |
| Heswall to Monzon | 803.42 mi (1,292.97 km) |
| Heswall to Mora | 943.25 mi (1,518.01 km) |
| Heswall to Moralzarzal | 875.18 mi (1,408.47 km) |
| Heswall to Moron de la Frontera | 1,125.39 mi (1,811.14 km) |
| Heswall to Mostoles | 898.57 mi (1,446.10 km) |
| Heswall to Motril | 1,145.61 mi (1,843.67 km) |
| Heswall to Muchamiel | 1,038.17 mi (1,670.78 km) |
| Heswall to Mula | 1,058.95 mi (1,704.21 km) |
| Heswall to Munguia | 689.18 mi (1,109.13 km) |
| Heswall to Murcia | 1,064.17 mi (1,712.62 km) |
