| Carcassonne to Brie-Comte-Robert | 379.01 mi (609.96 km) |
| Carcassonne to Brignais | 207.45 mi (333.87 km) |
| Carcassonne to Brignoles | 187.09 mi (301.09 km) |
| Carcassonne to Brive-la-Gaillarde | 140.58 mi (226.24 km) |
| Carcassonne to Bron | 215.66 mi (347.07 km) |
| Carcassonne to Bruay-sur-l'Escaut | 499.82 mi (804.38 km) |
| Carcassonne to Bruges | 187.07 mi (301.07 km) |
| Carcassonne to Brumath | 459.93 mi (740.18 km) |
| Carcassonne to Brunoy | 379.25 mi (610.34 km) |
| Carcassonne to Bruz | 386.96 mi (622.76 km) |
| Carcassonne to Bry-sur-Marne | 389.16 mi (626.29 km) |
| Carcassonne to Bully-les-Mines | 499.99 mi (804.65 km) |
| Carcassonne to Bures-sur-Yvette | 379.20 mi (610.27 km) |
| Carcassonne to Bussy-Saint-Georges | 389.50 mi (626.85 km) |
| Carcassonne to Buxerolles | 253.69 mi (408.27 km) |
