| Willebroek to Marghita | 848.18 mi (1,365.02 km) |
| Willebroek to Marginea | 986.38 mi (1,587.42 km) |
| Willebroek to Matca | 1,115.49 mi (1,795.21 km) |
| Willebroek to Medgidia | 1,200.75 mi (1,932.43 km) |
| Willebroek to Media | 970.36 mi (1,561.64 km) |
| Willebroek to Miercurea-Ciuc | 1,025.58 mi (1,650.51 km) |
| Willebroek to Mioveni | 1,035.92 mi (1,667.15 km) |
| Willebroek to Mizil | 1,097.33 mi (1,765.98 km) |
| Willebroek to Moinesti | 1,052.52 mi (1,693.86 km) |
| Willebroek to Moisei | 934.51 mi (1,503.95 km) |
| Willebroek to Moldova Noua | 910.41 mi (1,465.16 km) |
| Willebroek to Moreni | 1,064.53 mi (1,713.20 km) |
| Willebroek to Motru | 960.14 mi (1,545.19 km) |
| Willebroek to Murfatlar | 1,209.73 mi (1,946.87 km) |
| Willebroek to Nasaud | 938.85 mi (1,510.93 km) |
