| Caerphilly to Bois-Colombes | 304.08 mi (489.37 km) |
| Caerphilly to Bois-d'Arcy | 301.09 mi (484.56 km) |
| Caerphilly to Bois-Guillaume | 239.75 mi (385.84 km) |
| Caerphilly to Boissy-Saint-Leger | 319.90 mi (514.84 km) |
| Caerphilly to Bolbec | 213.09 mi (342.94 km) |
| Caerphilly to Bollene | 623.94 mi (1,004.13 km) |
| Caerphilly to Bondoufle | 321.62 mi (517.59 km) |
| Caerphilly to Bondues | 280.12 mi (450.81 km) |
| Caerphilly to Bondy | 312.33 mi (502.65 km) |
| Caerphilly to Bonneuil-sur-Marne | 318.07 mi (511.89 km) |
| Caerphilly to Bonneville | 578.62 mi (931.20 km) |
| Caerphilly to Bordeaux | 481.05 mi (774.18 km) |
| Caerphilly to Borgo | 859.60 mi (1,383.38 km) |
| Caerphilly to Bouc-Bel-Air | 689.85 mi (1,110.21 km) |
| Caerphilly to Boucau | 562.29 mi (904.91 km) |
