| Niel to Montilla | 1,032.90 mi (1,662.29 km) |
| Niel to Montmelo | 668.03 mi (1,075.09 km) |
| Niel to Montornes del Valles | 668.62 mi (1,076.03 km) |
| Niel to Montoro | 1,000.01 mi (1,609.36 km) |
| Niel to Monzon | 665.65 mi (1,071.26 km) |
| Niel to Mora | 881.22 mi (1,418.19 km) |
| Niel to Moralzarzal | 823.34 mi (1,325.04 km) |
| Niel to Moron de la Frontera | 1,079.69 mi (1,737.60 km) |
| Niel to Mostoles | 842.31 mi (1,355.57 km) |
| Niel to Motril | 1,065.25 mi (1,714.35 km) |
| Niel to Muchamiel | 907.97 mi (1,461.23 km) |
| Niel to Mula | 947.00 mi (1,524.05 km) |
| Niel to Munguia | 632.64 mi (1,018.13 km) |
| Niel to Murcia | 945.61 mi (1,521.81 km) |
| Niel to Muro del Alcoy | 883.25 mi (1,421.45 km) |
