| Castelvetrano to Bougival | 938.29 mi (1,510.03 km) |
| Castelvetrano to Bouguenais | 982.37 mi (1,580.97 km) |
| Castelvetrano to Boulogne-Billancourt | 933.80 mi (1,502.81 km) |
| Castelvetrano to Boulogne-sur-Mer | 1,055.04 mi (1,697.93 km) |
| Castelvetrano to Bourg-de-Peage | 647.00 mi (1,041.25 km) |
| Castelvetrano to Bourg-en-Bresse | 704.83 mi (1,134.31 km) |
| Castelvetrano to Bourg-la-Reine | 928.70 mi (1,494.59 km) |
| Castelvetrano to Bourg-les-Valence | 647.33 mi (1,041.77 km) |
| Castelvetrano to Bourges | 837.19 mi (1,347.33 km) |
| Castelvetrano to Bourgoin-Jallieu | 669.35 mi (1,077.22 km) |
| Castelvetrano to Bressuire | 925.83 mi (1,489.98 km) |
| Castelvetrano to Brest | 1,139.45 mi (1,833.76 km) |
| Castelvetrano to Bretigny-sur-Orge | 919.86 mi (1,480.37 km) |
| Castelvetrano to Breuillet | 921.29 mi (1,482.68 km) |
| Castelvetrano to Briancon | 591.66 mi (952.18 km) |
