| Castel San Giorgio to Bougival | 829.13 mi (1,334.35 km) |
| Castel San Giorgio to Bouguenais | 921.37 mi (1,482.80 km) |
| Castel San Giorgio to Boulogne-Billancourt | 824.22 mi (1,326.45 km) |
| Castel San Giorgio to Boulogne-sur-Mer | 929.98 mi (1,496.65 km) |
| Castel San Giorgio to Bourg-de-Peage | 569.41 mi (916.38 km) |
| Castel San Giorgio to Bourg-en-Bresse | 604.03 mi (972.09 km) |
| Castel San Giorgio to Bourg-la-Reine | 819.19 mi (1,318.36 km) |
| Castel San Giorgio to Bourg-les-Valence | 573.29 mi (922.62 km) |
| Castel San Giorgio to Bourges | 749.80 mi (1,206.68 km) |
| Castel San Giorgio to Bourgoin-Jallieu | 578.73 mi (931.37 km) |
| Castel San Giorgio to Bressuire | 863.13 mi (1,389.07 km) |
| Castel San Giorgio to Brest | 1,076.41 mi (1,732.32 km) |
| Castel San Giorgio to Bretigny-sur-Orge | 812.46 mi (1,307.53 km) |
| Castel San Giorgio to Breuillet | 815.50 mi (1,312.43 km) |
| Castel San Giorgio to Briancon | 497.30 mi (800.33 km) |
