| Castanet-Tolosan to Bressanone | 541.96 mi (872.20 km) |
| Castanet-Tolosan to Bresso | 403.22 mi (648.93 km) |
| Castanet-Tolosan to Brindisi | 864.54 mi (1,391.34 km) |
| Castanet-Tolosan to Broni | 398.36 mi (641.09 km) |
| Castanet-Tolosan to Bronte | 802.06 mi (1,290.79 km) |
| Castanet-Tolosan to Brugherio | 409.03 mi (658.26 km) |
| Castanet-Tolosan to Brugnera | 565.83 mi (910.61 km) |
| Castanet-Tolosan to Bruino | 312.91 mi (503.57 km) |
| Castanet-Tolosan to Brunico | 556.19 mi (895.11 km) |
| Castanet-Tolosan to Brusciano | 684.22 mi (1,101.14 km) |
| Castanet-Tolosan to Bucine | 506.83 mi (815.66 km) |
| Castanet-Tolosan to Budrio | 503.26 mi (809.91 km) |
| Castanet-Tolosan to Busca | 304.45 mi (489.97 km) |
| Castanet-Tolosan to Bussolengo | 479.92 mi (772.36 km) |
| Castanet-Tolosan to Busto Arsizio | 389.72 mi (627.19 km) |
