| Boulogne-Billancourt to Bormujos | 895.13 mi (1,440.58 km) |
| Boulogne-Billancourt to Brenes | 879.02 mi (1,414.64 km) |
| Boulogne-Billancourt to Brunete | 658.01 mi (1,058.97 km) |
| Boulogne-Billancourt to Bueu | 696.70 mi (1,121.23 km) |
| Boulogne-Billancourt to Bullas | 770.33 mi (1,239.73 km) |
| Boulogne-Billancourt to Bunol | 667.57 mi (1,074.35 km) |
| Boulogne-Billancourt to Burela de Cabo | 582.85 mi (938.00 km) |
| Boulogne-Billancourt to Burgos | 532.40 mi (856.82 km) |
| Boulogne-Billancourt to Burjasot | 657.66 mi (1,058.41 km) |
| Boulogne-Billancourt to Burriana | 628.67 mi (1,011.74 km) |
| Boulogne-Billancourt to Cabanaquinta | 545.53 mi (877.95 km) |
| Boulogne-Billancourt to Cabanillas del Campo | 626.48 mi (1,008.22 km) |
| Boulogne-Billancourt to Cabra | 853.67 mi (1,373.86 km) |
| Boulogne-Billancourt to Caceres | 773.20 mi (1,244.35 km) |
| Boulogne-Billancourt to Cadiz | 952.68 mi (1,533.19 km) |
