| Caerfyrddin to Brie-Comte-Robert | 375.70 mi (604.63 km) |
| Caerfyrddin to Brignais | 593.36 mi (954.92 km) |
| Caerfyrddin to Brignoles | 756.36 mi (1,217.24 km) |
| Caerfyrddin to Brive-la-Gaillarde | 534.22 mi (859.74 km) |
| Caerfyrddin to Bron | 595.01 mi (957.57 km) |
| Caerfyrddin to Bruay-sur-l'Escaut | 355.00 mi (571.32 km) |
| Caerfyrddin to Bruges | 510.74 mi (821.95 km) |
| Caerfyrddin to Brumath | 572.11 mi (920.72 km) |
| Caerfyrddin to Brunoy | 371.65 mi (598.12 km) |
| Caerfyrddin to Bruz | 288.29 mi (463.96 km) |
| Caerfyrddin to Bry-sur-Marne | 366.22 mi (589.37 km) |
| Caerfyrddin to Bully-les-Mines | 320.25 mi (515.40 km) |
| Caerfyrddin to Bures-sur-Yvette | 359.57 mi (578.68 km) |
| Caerfyrddin to Bussy-Saint-Georges | 372.57 mi (599.60 km) |
| Caerfyrddin to Buxerolles | 419.70 mi (675.44 km) |
