| Castel San Giorgio to Montilla | 1,056.44 mi (1,700.17 km) |
| Castel San Giorgio to Montmelo | 649.16 mi (1,044.73 km) |
| Castel San Giorgio to Montornes del Valles | 648.28 mi (1,043.30 km) |
| Castel San Giorgio to Montoro | 1,034.48 mi (1,664.83 km) |
| Castel San Giorgio to Monzon | 755.74 mi (1,216.24 km) |
| Castel San Giorgio to Mora | 975.75 mi (1,570.31 km) |
| Castel San Giorgio to Moralzarzal | 975.69 mi (1,570.22 km) |
| Castel San Giorgio to Moron de la Frontera | 1,109.24 mi (1,785.15 km) |
| Castel San Giorgio to Mostoles | 973.30 mi (1,566.38 km) |
| Castel San Giorgio to Motril | 1,018.03 mi (1,638.37 km) |
| Castel San Giorgio to Muchamiel | 821.67 mi (1,322.36 km) |
| Castel San Giorgio to Mula | 883.40 mi (1,421.70 km) |
| Castel San Giorgio to Munguia | 915.56 mi (1,473.46 km) |
| Castel San Giorgio to Murcia | 865.88 mi (1,393.50 km) |
| Castel San Giorgio to Muro del Alcoy | 814.45 mi (1,310.74 km) |
