| Castelo Branco to Borgosatollo | 980.00 mi (1,577.16 km) |
| Castelo Branco to Borgosesia | 895.47 mi (1,441.13 km) |
| Castelo Branco to Boscoreale | 1,157.38 mi (1,862.63 km) |
| Castelo Branco to Boscotrecase | 1,156.44 mi (1,861.11 km) |
| Castelo Branco to Botticino Sera | 980.87 mi (1,578.56 km) |
| Castelo Branco to Bovalino Marina | 1,272.57 mi (2,048.01 km) |
| Castelo Branco to Boves | 830.98 mi (1,337.34 km) |
| Castelo Branco to Boville Ernica | 1,102.25 mi (1,773.90 km) |
| Castelo Branco to Bovisio Masciago | 933.01 mi (1,501.53 km) |
| Castelo Branco to Bovolone | 1,017.31 mi (1,637.21 km) |
| Castelo Branco to Bra | 852.66 mi (1,372.23 km) |
| Castelo Branco to Bracciano | 1,036.71 mi (1,668.42 km) |
| Castelo Branco to Brandizzo | 862.82 mi (1,388.57 km) |
| Castelo Branco to Breganze | 1,045.89 mi (1,683.20 km) |
| Castelo Branco to Brembate | 950.89 mi (1,530.31 km) |
