| Sinaia to Montilla | 1,640.96 mi (2,640.86 km) |
| Sinaia to Montmelo | 1,193.29 mi (1,920.42 km) |
| Sinaia to Montornes del Valles | 1,192.72 mi (1,919.49 km) |
| Sinaia to Montoro | 1,614.75 mi (2,598.69 km) |
| Sinaia to Monzon | 1,284.82 mi (2,067.73 km) |
| Sinaia to Mora | 1,534.68 mi (2,469.83 km) |
| Sinaia to Moralzarzal | 1,516.94 mi (2,441.29 km) |
| Sinaia to Moron de la Frontera | 1,695.72 mi (2,728.99 km) |
| Sinaia to Mostoles | 1,521.01 mi (2,447.83 km) |
| Sinaia to Motril | 1,616.03 mi (2,600.75 km) |
| Sinaia to Muchamiel | 1,413.11 mi (2,274.18 km) |
| Sinaia to Mula | 1,475.22 mi (2,374.14 km) |
| Sinaia to Munguia | 1,402.47 mi (2,257.05 km) |
| Sinaia to Murcia | 1,459.88 mi (2,349.46 km) |
| Sinaia to Muro del Alcoy | 1,400.89 mi (2,254.51 km) |
