| Castagneto Carducci to Montilla | 888.00 mi (1,429.10 km) |
| Castagneto Carducci to Montmelo | 440.40 mi (708.75 km) |
| Castagneto Carducci to Montornes del Valles | 439.77 mi (707.75 km) |
| Castagneto Carducci to Montoro | 861.27 mi (1,386.08 km) |
| Castagneto Carducci to Monzon | 536.67 mi (863.69 km) |
| Castagneto Carducci to Mora | 781.56 mi (1,257.80 km) |
| Castagneto Carducci to Moralzarzal | 767.47 mi (1,235.12 km) |
| Castagneto Carducci to Moron de la Frontera | 942.93 mi (1,517.50 km) |
| Castagneto Carducci to Mostoles | 769.89 mi (1,239.02 km) |
| Castagneto Carducci to Motril | 867.48 mi (1,396.08 km) |
| Castagneto Carducci to Muchamiel | 663.82 mi (1,068.31 km) |
| Castagneto Carducci to Mula | 725.36 mi (1,167.35 km) |
| Castagneto Carducci to Munguia | 676.01 mi (1,087.94 km) |
| Castagneto Carducci to Murcia | 711.12 mi (1,144.44 km) |
| Castagneto Carducci to Muro del Alcoy | 649.89 mi (1,045.90 km) |
