| Republic to Montijo | 4,530.37 mi (7,290.92 km) |
| Republic to Montilla | 4,669.33 mi (7,514.55 km) |
| Republic to Montmelo | 4,839.32 mi (7,788.13 km) |
| Republic to Montornes del Valles | 4,840.44 mi (7,789.94 km) |
| Republic to Montoro | 4,665.93 mi (7,509.09 km) |
| Republic to Monzon | 4,736.15 mi (7,622.10 km) |
| Republic to Mora | 4,636.09 mi (7,461.06 km) |
| Republic to Moralzarzal | 4,593.20 mi (7,392.03 km) |
| Republic to Moron de la Frontera | 4,646.63 mi (7,478.03 km) |
| Republic to Mostoles | 4,609.58 mi (7,418.41 km) |
| Republic to Motril | 4,751.62 mi (7,647.00 km) |
| Republic to Muchamiel | 4,834.48 mi (7,780.34 km) |
| Republic to Mula | 4,799.89 mi (7,724.68 km) |
| Republic to Munguia | 4,552.52 mi (7,326.57 km) |
| Republic to Murcia | 4,818.59 mi (7,754.78 km) |
