| Willebroek to Bistrita | 947.04 mi (1,524.12 km) |
| Willebroek to Blaj | 951.11 mi (1,530.66 km) |
| Willebroek to Bocsa | 887.09 mi (1,427.63 km) |
| Willebroek to Boldesti-Scaeni | 1,078.98 mi (1,736.46 km) |
| Willebroek to Bolintin Vale | 1,088.58 mi (1,751.89 km) |
| Willebroek to Borsa | 939.92 mi (1,512.66 km) |
| Willebroek to Botosani | 1,024.27 mi (1,648.40 km) |
| Willebroek to Brad | 905.25 mi (1,456.87 km) |
| Willebroek to Bragadiru | 1,100.48 mi (1,771.05 km) |
| Willebroek to Braila | 1,152.46 mi (1,854.71 km) |
| Willebroek to Brasov | 1,039.81 mi (1,673.40 km) |
| Willebroek to Breaza | 1,058.02 mi (1,702.72 km) |
| Willebroek to Bucharest | 1,103.57 mi (1,776.03 km) |
| Willebroek to Buftea | 1,092.10 mi (1,757.56 km) |
| Willebroek to Buhusi | 1,053.69 mi (1,695.76 km) |
