| Opwijk to Mendicino | 995.73 mi (1,602.47 km) |
| Opwijk to Menfi | 1,018.46 mi (1,639.06 km) |
| Opwijk to Mentana | 736.90 mi (1,185.92 km) |
| Opwijk to Merano | 434.25 mi (698.86 km) |
| Opwijk to Merate | 436.29 mi (702.15 km) |
| Opwijk to Mercato San Severino | 866.61 mi (1,394.67 km) |
| Opwijk to Mercogliano | 857.78 mi (1,380.46 km) |
| Opwijk to Mesagne | 970.10 mi (1,561.23 km) |
| Opwijk to Messina | 1,042.31 mi (1,677.44 km) |
| Opwijk to Mestre | 529.13 mi (851.56 km) |
| Opwijk to Mestrino | 516.40 mi (831.06 km) |
| Opwijk to Milan | 444.20 mi (714.87 km) |
| Opwijk to Milazzo | 1,032.75 mi (1,662.05 km) |
| Opwijk to Minerbio | 553.42 mi (890.65 km) |
| Opwijk to Minervino Murge | 886.88 mi (1,427.30 km) |
