| Castellanza to Bougival | 388.28 mi (624.87 km) |
| Castellanza to Bouguenais | 512.39 mi (824.61 km) |
| Castellanza to Boulogne-Billancourt | 383.28 mi (616.84 km) |
| Castellanza to Boulogne-sur-Mer | 486.72 mi (783.30 km) |
| Castellanza to Bourg-de-Peage | 191.23 mi (307.75 km) |
| Castellanza to Bourg-en-Bresse | 181.09 mi (291.44 km) |
| Castellanza to Bourg-la-Reine | 378.36 mi (608.92 km) |
| Castellanza to Bourg-les-Valence | 200.08 mi (322.00 km) |
| Castellanza to Bourges | 326.20 mi (524.97 km) |
| Castellanza to Bourgoin-Jallieu | 175.30 mi (282.12 km) |
| Castellanza to Bressuire | 456.35 mi (734.43 km) |
| Castellanza to Brest | 658.37 mi (1,059.55 km) |
| Castellanza to Bretigny-sur-Orge | 372.55 mi (599.57 km) |
| Castellanza to Breuillet | 376.23 mi (605.49 km) |
| Castellanza to Briancon | 120.89 mi (194.56 km) |
