| Ostend to Masquefa | 673.78 mi (1,084.35 km) |
| Ostend to Matadepera | 666.18 mi (1,072.12 km) |
| Ostend to Mazarron | 964.05 mi (1,551.49 km) |
| Ostend to Meco | 795.47 mi (1,280.18 km) |
| Ostend to Medina del Campo | 780.27 mi (1,255.73 km) |
| Ostend to Medina Sidonia | 1,108.84 mi (1,784.51 km) |
| Ostend to Mejorada del Campo | 806.75 mi (1,298.33 km) |
| Ostend to Meliana | 823.50 mi (1,325.29 km) |
| Ostend to Mengibar | 972.96 mi (1,565.83 km) |
| Ostend to Merida | 962.18 mi (1,548.48 km) |
| Ostend to Miajadas | 940.51 mi (1,513.61 km) |
| Ostend to Mieres | 684.58 mi (1,101.73 km) |
| Ostend to Miguelturra | 909.90 mi (1,464.34 km) |
| Ostend to Mijas | 1,076.81 mi (1,732.95 km) |
| Ostend to Miranda de Ebro | 651.07 mi (1,047.80 km) |
