| Castrovillari to Bougival | 931.95 mi (1,499.83 km) |
| Castrovillari to Bouguenais | 1,024.39 mi (1,648.60 km) |
| Castrovillari to Boulogne-Billancourt | 927.03 mi (1,491.90 km) |
| Castrovillari to Boulogne-sur-Mer | 1,031.31 mi (1,659.74 km) |
| Castrovillari to Bourg-de-Peage | 672.50 mi (1,082.28 km) |
| Castrovillari to Bourg-en-Bresse | 707.47 mi (1,138.56 km) |
| Castrovillari to Bourg-la-Reine | 922.02 mi (1,483.84 km) |
| Castrovillari to Bourg-les-Valence | 676.23 mi (1,088.28 km) |
| Castrovillari to Bourges | 853.27 mi (1,373.21 km) |
| Castrovillari to Bourgoin-Jallieu | 682.17 mi (1,097.85 km) |
| Castrovillari to Bressuire | 966.15 mi (1,554.87 km) |
| Castrovillari to Brest | 1,179.65 mi (1,898.46 km) |
| Castrovillari to Bretigny-sur-Orge | 915.41 mi (1,473.21 km) |
| Castrovillari to Breuillet | 918.52 mi (1,478.22 km) |
| Castrovillari to Briancon | 600.72 mi (966.76 km) |
