| Bologna to Bougival | 530.02 mi (852.99 km) |
| Bologna to Bouguenais | 650.15 mi (1,046.32 km) |
| Bologna to Boulogne-Billancourt | 525.01 mi (844.93 km) |
| Bologna to Boulogne-sur-Mer | 624.16 mi (1,004.49 km) |
| Bologna to Bourg-de-Peage | 310.90 mi (500.34 km) |
| Bologna to Bourg-en-Bresse | 319.46 mi (514.11 km) |
| Bologna to Bourg-la-Reine | 520.13 mi (837.07 km) |
| Bologna to Bourg-les-Valence | 318.00 mi (511.76 km) |
| Bologna to Bourges | 466.36 mi (750.54 km) |
| Bologna to Bourgoin-Jallieu | 305.69 mi (491.95 km) |
| Bologna to Bressuire | 593.16 mi (954.61 km) |
| Bologna to Brest | 798.66 mi (1,285.33 km) |
| Bologna to Bretigny-sur-Orge | 514.55 mi (828.09 km) |
| Bologna to Breuillet | 518.33 mi (834.17 km) |
| Bologna to Briancon | 232.86 mi (374.74 km) |
