| Castelo Branco to Bois-Colombes | 791.21 mi (1,273.33 km) |
| Castelo Branco to Bois-d'Arcy | 778.11 mi (1,252.25 km) |
| Castelo Branco to Bois-Guillaume | 789.03 mi (1,269.82 km) |
| Castelo Branco to Boissy-Saint-Leger | 789.88 mi (1,271.20 km) |
| Castelo Branco to Bolbec | 778.51 mi (1,252.89 km) |
| Castelo Branco to Bollene | 699.08 mi (1,125.05 km) |
| Castelo Branco to Bondoufle | 778.92 mi (1,253.55 km) |
| Castelo Branco to Bondues | 909.63 mi (1,463.91 km) |
| Castelo Branco to Bondy | 796.86 mi (1,282.42 km) |
| Castelo Branco to Bonneuil-sur-Marne | 790.43 mi (1,272.07 km) |
| Castelo Branco to Bonneville | 823.74 mi (1,325.69 km) |
| Castelo Branco to Bordeaux | 495.04 mi (796.68 km) |
| Castelo Branco to Borgo | 898.66 mi (1,446.25 km) |
| Castelo Branco to Bouc-Bel-Air | 711.74 mi (1,145.44 km) |
| Castelo Branco to Boucau | 402.20 mi (647.28 km) |
