| Castelo Branco to Brie-Comte-Robert | 790.07 mi (1,271.50 km) |
| Castelo Branco to Brignais | 740.62 mi (1,191.91 km) |
| Castelo Branco to Brignoles | 742.13 mi (1,194.34 km) |
| Castelo Branco to Brive-la-Gaillarde | 589.28 mi (948.36 km) |
| Castelo Branco to Bron | 749.55 mi (1,206.28 km) |
| Castelo Branco to Bruay-sur-l'Escaut | 905.85 mi (1,457.82 km) |
| Castelo Branco to Bruges | 495.85 mi (797.99 km) |
| Castelo Branco to Brumath | 969.26 mi (1,559.88 km) |
| Castelo Branco to Brunoy | 787.05 mi (1,266.63 km) |
| Castelo Branco to Bruz | 634.88 mi (1,021.74 km) |
| Castelo Branco to Bry-sur-Marne | 794.91 mi (1,279.29 km) |
| Castelo Branco to Bully-les-Mines | 885.52 mi (1,425.11 km) |
| Castelo Branco to Bures-sur-Yvette | 776.53 mi (1,249.70 km) |
| Castelo Branco to Bussy-Saint-Georges | 800.36 mi (1,288.06 km) |
| Castelo Branco to Buxerolles | 612.35 mi (985.49 km) |
