| Caerphilly to Brie-Comte-Robert | 326.01 mi (524.66 km) |
| Caerphilly to Brignais | 546.14 mi (878.93 km) |
| Caerphilly to Brignoles | 710.52 mi (1,143.47 km) |
| Caerphilly to Brive-la-Gaillarde | 493.99 mi (795.01 km) |
| Caerphilly to Bron | 547.51 mi (881.13 km) |
| Caerphilly to Bruay-sur-l'Escaut | 304.87 mi (490.63 km) |
| Caerphilly to Bruges | 477.80 mi (768.95 km) |
| Caerphilly to Brumath | 521.50 mi (839.27 km) |
| Caerphilly to Brunoy | 322.05 mi (518.29 km) |
| Caerphilly to Bruz | 254.12 mi (408.97 km) |
| Caerphilly to Bry-sur-Marne | 316.37 mi (509.14 km) |
| Caerphilly to Bully-les-Mines | 269.90 mi (434.37 km) |
| Caerphilly to Bures-sur-Yvette | 310.32 mi (499.41 km) |
| Caerphilly to Bussy-Saint-Georges | 322.59 mi (519.16 km) |
| Caerphilly to Buxerolles | 379.98 mi (611.52 km) |
