| Castelo Branco to Bistrita | 1,668.79 mi (2,685.66 km) |
| Castelo Branco to Blaj | 1,635.31 mi (2,631.77 km) |
| Castelo Branco to Bocsa | 1,525.33 mi (2,454.79 km) |
| Castelo Branco to Boldesti-Scaeni | 1,734.58 mi (2,791.54 km) |
| Castelo Branco to Bolintin Vale | 1,721.52 mi (2,770.52 km) |
| Castelo Branco to Borsa | 1,680.38 mi (2,704.30 km) |
| Castelo Branco to Botosani | 1,773.82 mi (2,854.69 km) |
| Castelo Branco to Brad | 1,581.41 mi (2,545.03 km) |
| Castelo Branco to Bragadiru | 1,732.38 mi (2,787.99 km) |
| Castelo Branco to Braila | 1,828.39 mi (2,942.52 km) |
| Castelo Branco to Brasov | 1,715.20 mi (2,760.34 km) |
| Castelo Branco to Breaza | 1,716.71 mi (2,762.78 km) |
| Castelo Branco to Bucharest | 1,738.64 mi (2,798.07 km) |
| Castelo Branco to Buftea | 1,730.88 mi (2,785.58 km) |
| Castelo Branco to Buhusi | 1,770.23 mi (2,848.91 km) |
