| Willebroek to Bumbesti-Jiu | 963.08 mi (1,549.93 km) |
| Willebroek to Busteni | 1,045.02 mi (1,681.80 km) |
| Willebroek to Buzau | 1,108.10 mi (1,783.31 km) |
| Willebroek to Cajvana | 995.09 mi (1,601.44 km) |
| Willebroek to Calafat | 991.81 mi (1,596.17 km) |
| Willebroek to Calan | 927.77 mi (1,493.10 km) |
| Willebroek to Calarasi | 1,163.56 mi (1,872.56 km) |
| Willebroek to Campia Turzii | 937.84 mi (1,509.31 km) |
| Willebroek to Campina | 1,063.28 mi (1,711.19 km) |
| Willebroek to Campulung | 1,029.33 mi (1,656.55 km) |
| Willebroek to Campulung Moldovenesc | 981.50 mi (1,579.57 km) |
| Willebroek to Caracal | 1,043.11 mi (1,678.72 km) |
| Willebroek to Caransebes | 906.36 mi (1,458.64 km) |
| Willebroek to Carei | 844.69 mi (1,359.40 km) |
| Willebroek to Cernavoda | 1,187.98 mi (1,911.87 km) |
