| Castelsarrasin to Bistrita | 1,146.63 mi (1,845.32 km) |
| Castelsarrasin to Blaj | 1,118.00 mi (1,799.25 km) |
| Castelsarrasin to Bocsa | 1,013.15 mi (1,630.51 km) |
| Castelsarrasin to Boldesti-Scaeni | 1,224.55 mi (1,970.71 km) |
| Castelsarrasin to Bolintin Vale | 1,215.81 mi (1,956.66 km) |
| Castelsarrasin to Borsa | 1,156.10 mi (1,860.56 km) |
| Castelsarrasin to Botosani | 1,249.60 mi (2,011.03 km) |
| Castelsarrasin to Brad | 1,064.21 mi (1,712.67 km) |
| Castelsarrasin to Bragadiru | 1,227.16 mi (1,974.93 km) |
| Castelsarrasin to Braila | 1,316.33 mi (2,118.42 km) |
| Castelsarrasin to Brasov | 1,201.04 mi (1,932.89 km) |
| Castelsarrasin to Breaza | 1,205.68 mi (1,940.35 km) |
| Castelsarrasin to Bucharest | 1,232.90 mi (1,984.17 km) |
| Castelsarrasin to Buftea | 1,224.17 mi (1,970.12 km) |
| Castelsarrasin to Buhusi | 1,250.32 mi (2,012.19 km) |
