| Castellamonte to Bougival | 355.57 mi (572.23 km) |
| Castellamonte to Bouguenais | 462.32 mi (744.04 km) |
| Castellamonte to Boulogne-Billancourt | 350.72 mi (564.43 km) |
| Castellamonte to Boulogne-sur-Mer | 464.05 mi (746.81 km) |
| Castellamonte to Bourg-de-Peage | 131.74 mi (212.02 km) |
| Castellamonte to Bourg-en-Bresse | 132.46 mi (213.18 km) |
| Castellamonte to Bourg-la-Reine | 345.66 mi (556.28 km) |
| Castellamonte to Bourg-les-Valence | 140.46 mi (226.05 km) |
| Castellamonte to Bourges | 279.89 mi (450.43 km) |
| Castellamonte to Bourgoin-Jallieu | 118.96 mi (191.45 km) |
| Castellamonte to Bressuire | 405.31 mi (652.29 km) |
| Castellamonte to Brest | 611.72 mi (984.47 km) |
| Castellamonte to Bretigny-sur-Orge | 338.51 mi (544.78 km) |
| Castellamonte to Breuillet | 341.36 mi (549.36 km) |
| Castellamonte to Briancon | 62.32 mi (100.30 km) |
