| Barcelona to Bougival | 516.99 mi (832.02 km) |
| Barcelona to Bouguenais | 442.15 mi (711.57 km) |
| Barcelona to Boulogne-Billancourt | 514.94 mi (828.72 km) |
| Barcelona to Boulogne-sur-Mer | 646.16 mi (1,039.89 km) |
| Barcelona to Bourg-de-Peage | 291.02 mi (468.35 km) |
| Barcelona to Bourg-en-Bresse | 366.29 mi (589.48 km) |
| Barcelona to Bourg-la-Reine | 511.13 mi (822.59 km) |
| Barcelona to Bourg-les-Valence | 281.81 mi (453.53 km) |
| Barcelona to Bourges | 394.11 mi (634.26 km) |
| Barcelona to Bourgoin-Jallieu | 329.26 mi (529.90 km) |
| Barcelona to Bressuire | 399.52 mi (642.97 km) |
| Barcelona to Brest | 583.39 mi (938.88 km) |
| Barcelona to Bretigny-sur-Orge | 499.51 mi (803.88 km) |
| Barcelona to Breuillet | 496.34 mi (798.78 km) |
| Barcelona to Briancon | 330.72 mi (532.24 km) |
