| Castellaneta to Montilla | 1,172.21 mi (1,886.49 km) |
| Castellaneta to Montmelo | 766.29 mi (1,233.22 km) |
| Castellaneta to Montornes del Valles | 765.41 mi (1,231.81 km) |
| Castellaneta to Montoro | 1,150.66 mi (1,851.82 km) |
| Castellaneta to Monzon | 872.54 mi (1,404.21 km) |
| Castellaneta to Mora | 1,093.05 mi (1,759.10 km) |
| Castellaneta to Moralzarzal | 1,093.09 mi (1,759.15 km) |
| Castellaneta to Moron de la Frontera | 1,224.72 mi (1,970.99 km) |
| Castellaneta to Mostoles | 1,090.73 mi (1,755.36 km) |
| Castellaneta to Motril | 1,132.17 mi (1,822.06 km) |
| Castellaneta to Muchamiel | 937.24 mi (1,508.34 km) |
| Castellaneta to Mula | 998.76 mi (1,607.34 km) |
| Castellaneta to Munguia | 1,030.45 mi (1,658.35 km) |
| Castellaneta to Murcia | 981.00 mi (1,578.77 km) |
| Castellaneta to Muro del Alcoy | 930.56 mi (1,497.59 km) |
