| Koper to Masquefa | 658.46 mi (1,059.69 km) |
| Koper to Matadepera | 645.58 mi (1,038.96 km) |
| Koper to Mazarron | 949.72 mi (1,528.43 km) |
| Koper to Meco | 925.61 mi (1,489.62 km) |
| Koper to Medina del Campo | 978.23 mi (1,574.31 km) |
| Koper to Medina Sidonia | 1,196.61 mi (1,925.76 km) |
| Koper to Mejorada del Campo | 933.45 mi (1,502.24 km) |
| Koper to Meliana | 827.23 mi (1,331.29 km) |
| Koper to Mengibar | 1,041.62 mi (1,676.32 km) |
| Koper to Merida | 1,120.81 mi (1,803.77 km) |
| Koper to Miajadas | 1,099.73 mi (1,769.84 km) |
| Koper to Mieres | 973.62 mi (1,566.88 km) |
| Koper to Miguelturra | 1,009.23 mi (1,624.19 km) |
| Koper to Mijas | 1,134.93 mi (1,826.49 km) |
| Koper to Miranda de Ebro | 848.42 mi (1,365.40 km) |
