| Castelnaudary to Masquefa | 125.57 mi (202.09 km) |
| Castelnaudary to Matadepera | 118.51 mi (190.73 km) |
| Castelnaudary to Mazarron | 430.83 mi (693.35 km) |
| Castelnaudary to Meco | 331.74 mi (533.88 km) |
| Castelnaudary to Medina del Campo | 377.59 mi (607.68 km) |
| Castelnaudary to Medina Sidonia | 630.42 mi (1,014.56 km) |
| Castelnaudary to Mejorada del Campo | 340.84 mi (548.53 km) |
| Castelnaudary to Meliana | 287.79 mi (463.16 km) |
| Castelnaudary to Mengibar | 477.14 mi (767.88 km) |
| Castelnaudary to Merida | 528.08 mi (849.86 km) |
| Castelnaudary to Miajadas | 506.20 mi (814.65 km) |
| Castelnaudary to Mieres | 388.72 mi (625.58 km) |
| Castelnaudary to Miguelturra | 429.62 mi (691.41 km) |
| Castelnaudary to Mijas | 580.24 mi (933.80 km) |
| Castelnaudary to Miranda de Ebro | 250.78 mi (403.59 km) |
