| Castelldefels to Bois-Colombes | 527.89 mi (849.56 km) |
| Castelldefels to Bois-d'Arcy | 519.69 mi (836.35 km) |
| Castelldefels to Bois-Guillaume | 567.39 mi (913.13 km) |
| Castelldefels to Boissy-Saint-Leger | 516.80 mi (831.71 km) |
| Castelldefels to Bolbec | 577.53 mi (929.44 km) |
| Castelldefels to Bollene | 250.44 mi (403.04 km) |
| Castelldefels to Bondoufle | 507.06 mi (816.04 km) |
| Castelldefels to Bondues | 653.16 mi (1,051.16 km) |
| Castelldefels to Bondy | 527.22 mi (848.48 km) |
| Castelldefels to Bonneuil-sur-Marne | 518.40 mi (834.28 km) |
| Castelldefels to Bonneville | 398.36 mi (641.10 km) |
| Castelldefels to Bordeaux | 277.74 mi (446.98 km) |
| Castelldefels to Borgo | 392.91 mi (632.32 km) |
| Castelldefels to Bouc-Bel-Air | 230.98 mi (371.72 km) |
| Castelldefels to Boucau | 235.03 mi (378.24 km) |
