| Opwijk to Masquefa | 663.48 mi (1,067.76 km) |
| Opwijk to Matadepera | 655.01 mi (1,054.14 km) |
| Opwijk to Mazarron | 962.17 mi (1,548.47 km) |
| Opwijk to Meco | 804.39 mi (1,294.54 km) |
| Opwijk to Medina del Campo | 796.13 mi (1,281.24 km) |
| Opwijk to Medina Sidonia | 1,119.24 mi (1,801.24 km) |
| Opwijk to Mejorada del Campo | 815.59 mi (1,312.56 km) |
| Opwijk to Meliana | 820.16 mi (1,319.92 km) |
| Opwijk to Mengibar | 979.37 mi (1,576.14 km) |
| Opwijk to Merida | 977.46 mi (1,573.07 km) |
| Opwijk to Miajadas | 955.49 mi (1,537.71 km) |
| Opwijk to Mieres | 708.38 mi (1,140.03 km) |
| Opwijk to Miguelturra | 918.19 mi (1,477.69 km) |
| Opwijk to Mijas | 1,083.86 mi (1,744.31 km) |
| Opwijk to Miranda de Ebro | 663.18 mi (1,067.28 km) |
