| Castricum to Masquefa | 774.81 mi (1,246.93 km) |
| Castricum to Matadepera | 766.34 mi (1,233.30 km) |
| Castricum to Mazarron | 1,072.56 mi (1,726.12 km) |
| Castricum to Meco | 910.39 mi (1,465.13 km) |
| Castricum to Medina del Campo | 897.51 mi (1,444.40 km) |
| Castricum to Medina Sidonia | 1,224.52 mi (1,970.67 km) |
| Castricum to Mejorada del Campo | 921.64 mi (1,483.24 km) |
| Castricum to Meliana | 930.82 mi (1,498.01 km) |
| Castricum to Mengibar | 1,086.77 mi (1,748.99 km) |
| Castricum to Merida | 1,079.35 mi (1,737.05 km) |
| Castricum to Miajadas | 1,057.60 mi (1,702.05 km) |
| Castricum to Mieres | 802.55 mi (1,291.57 km) |
| Castricum to Miguelturra | 1,024.60 mi (1,648.93 km) |
| Castricum to Mijas | 1,190.99 mi (1,916.71 km) |
| Castricum to Miranda de Ebro | 767.15 mi (1,234.60 km) |
