| Grimbergen to Marghita | 845.82 mi (1,361.22 km) |
| Grimbergen to Marginea | 984.93 mi (1,585.10 km) |
| Grimbergen to Matca | 1,113.25 mi (1,791.60 km) |
| Grimbergen to Medgidia | 1,197.89 mi (1,927.82 km) |
| Grimbergen to Media | 967.67 mi (1,557.31 km) |
| Grimbergen to Miercurea-Ciuc | 1,023.29 mi (1,646.82 km) |
| Grimbergen to Mioveni | 1,032.72 mi (1,662.00 km) |
| Grimbergen to Mizil | 1,094.46 mi (1,761.36 km) |
| Grimbergen to Moinesti | 1,050.39 mi (1,690.44 km) |
| Grimbergen to Moisei | 932.76 mi (1,501.13 km) |
| Grimbergen to Moldova Noua | 906.32 mi (1,458.58 km) |
| Grimbergen to Moreni | 1,061.49 mi (1,708.31 km) |
| Grimbergen to Motru | 956.41 mi (1,539.19 km) |
| Grimbergen to Murfatlar | 1,206.86 mi (1,942.26 km) |
| Grimbergen to Nasaud | 936.84 mi (1,507.70 km) |
