| Calne to Montijo | 893.82 mi (1,438.46 km) |
| Calne to Montilla | 965.82 mi (1,554.34 km) |
| Calne to Montmelo | 711.91 mi (1,145.71 km) |
| Calne to Montornes del Valles | 712.83 mi (1,147.19 km) |
| Calne to Montoro | 934.51 mi (1,503.95 km) |
| Calne to Monzon | 666.41 mi (1,072.49 km) |
| Calne to Mora | 816.57 mi (1,314.14 km) |
| Calne to Moralzarzal | 749.52 mi (1,206.23 km) |
| Calne to Moron de la Frontera | 1,003.42 mi (1,614.85 km) |
| Calne to Mostoles | 772.40 mi (1,243.06 km) |
| Calne to Motril | 1,017.55 mi (1,637.59 km) |
| Calne to Muchamiel | 903.07 mi (1,453.35 km) |
| Calne to Mula | 925.92 mi (1,490.12 km) |
| Calne to Munguia | 559.88 mi (901.04 km) |
| Calne to Murcia | 930.41 mi (1,497.35 km) |
