| Castellabate to Bois-Colombes | 861.40 mi (1,386.29 km) |
| Castellabate to Bois-d'Arcy | 864.80 mi (1,391.77 km) |
| Castellabate to Bois-Guillaume | 925.76 mi (1,489.86 km) |
| Castellabate to Boissy-Saint-Leger | 845.59 mi (1,360.85 km) |
| Castellabate to Bolbec | 953.08 mi (1,533.84 km) |
| Castellabate to Bollene | 589.76 mi (949.13 km) |
| Castellabate to Bondoufle | 844.27 mi (1,358.71 km) |
| Castellabate to Bondues | 918.83 mi (1,478.71 km) |
| Castellabate to Bondy | 853.20 mi (1,373.09 km) |
| Castellabate to Bonneuil-sur-Marne | 847.42 mi (1,363.79 km) |
| Castellabate to Bonneville | 587.81 mi (945.98 km) |
| Castellabate to Bordeaux | 849.29 mi (1,366.79 km) |
| Castellabate to Borgo | 326.51 mi (525.46 km) |
| Castellabate to Bouc-Bel-Air | 537.17 mi (864.49 km) |
| Castellabate to Boucau | 873.01 mi (1,404.97 km) |
