| Opwijk to Miedzyrzec Podlaski | 801.32 mi (1,289.60 km) |
| Opwijk to Miedzyrzecz | 498.36 mi (802.04 km) |
| Opwijk to Mielec | 755.85 mi (1,216.42 km) |
| Opwijk to Mikolow | 647.14 mi (1,041.47 km) |
| Opwijk to Milanowek | 711.91 mi (1,145.71 km) |
| Opwijk to Milicz | 567.13 mi (912.70 km) |
| Opwijk to Minsk Mazowiecki | 749.34 mi (1,205.95 km) |
| Opwijk to Mlawa | 702.00 mi (1,129.76 km) |
| Opwijk to Mogilno | 598.52 mi (963.23 km) |
| Opwijk to Monki | 804.61 mi (1,294.89 km) |
| Opwijk to Morag | 692.27 mi (1,114.10 km) |
| Opwijk to Mosina | 549.74 mi (884.72 km) |
| Opwijk to Mragowo | 746.55 mi (1,201.46 km) |
| Opwijk to Murowana Goslina | 558.98 mi (899.59 km) |
| Opwijk to Myslenice | 696.93 mi (1,121.61 km) |
