| Castel San Giorgio to Bistrita | 654.88 mi (1,053.93 km) |
| Castel San Giorgio to Blaj | 592.80 mi (954.02 km) |
| Castel San Giorgio to Bocsa | 474.87 mi (764.22 km) |
| Castel San Giorgio to Boldesti-Scaeni | 643.30 mi (1,035.29 km) |
| Castel San Giorgio to Bolintin Vale | 615.91 mi (991.22 km) |
| Castel San Giorgio to Borsa | 683.68 mi (1,100.27 km) |
| Castel San Giorgio to Botosani | 761.61 mi (1,225.69 km) |
| Castel San Giorgio to Brad | 548.18 mi (882.22 km) |
| Castel San Giorgio to Bragadiru | 624.22 mi (1,004.58 km) |
| Castel San Giorgio to Braila | 736.69 mi (1,185.60 km) |
| Castel San Giorgio to Brasov | 644.07 mi (1,036.53 km) |
| Castel San Giorgio to Breaza | 631.35 mi (1,016.06 km) |
| Castel San Giorgio to Bucharest | 631.64 mi (1,016.53 km) |
| Castel San Giorgio to Buftea | 627.79 mi (1,010.33 km) |
| Castel San Giorgio to Buhusi | 724.65 mi (1,166.21 km) |
