| Portales to Montijo | 5,106.15 mi (8,217.56 km) |
| Portales to Montilla | 5,245.99 mi (8,442.60 km) |
| Portales to Montmelo | 5,396.78 mi (8,685.28 km) |
| Portales to Montornes del Valles | 5,397.91 mi (8,687.10 km) |
| Portales to Montoro | 5,241.38 mi (8,435.18 km) |
| Portales to Monzon | 5,295.60 mi (8,522.44 km) |
| Portales to Mora | 5,206.90 mi (8,379.69 km) |
| Portales to Moralzarzal | 5,161.67 mi (8,306.90 km) |
| Portales to Moron de la Frontera | 5,225.09 mi (8,408.96 km) |
| Portales to Mostoles | 5,178.84 mi (8,334.53 km) |
| Portales to Motril | 5,328.88 mi (8,576.00 km) |
| Portales to Muchamiel | 5,404.38 mi (8,697.50 km) |
| Portales to Mula | 5,371.99 mi (8,645.38 km) |
| Portales to Munguia | 5,111.77 mi (8,226.60 km) |
| Portales to Murcia | 5,390.38 mi (8,674.98 km) |
