| Boulogne-Billancourt to Bahcesaray | 2,134.38 mi (3,434.95 km) |
| Boulogne-Billancourt to Balikesir | 1,410.38 mi (2,269.79 km) |
| Boulogne-Billancourt to Balya | 1,392.70 mi (2,241.33 km) |
| Boulogne-Billancourt to Banaz | 1,527.85 mi (2,458.84 km) |
| Boulogne-Billancourt to Bandirma | 1,386.03 mi (2,230.60 km) |
| Boulogne-Billancourt to Bartin | 1,534.74 mi (2,469.92 km) |
| Boulogne-Billancourt to Baskale | 2,192.22 mi (3,528.04 km) |
| Boulogne-Billancourt to Baskil | 1,937.45 mi (3,118.03 km) |
| Boulogne-Billancourt to Basmakci | 1,573.95 mi (2,533.03 km) |
| Boulogne-Billancourt to Batman | 2,067.85 mi (3,327.88 km) |
| Boulogne-Billancourt to Battalgazi | 1,922.46 mi (3,093.90 km) |
| Boulogne-Billancourt to Bayat | 1,655.55 mi (2,664.36 km) |
| Boulogne-Billancourt to Bayburt | 1,939.17 mi (3,120.79 km) |
| Boulogne-Billancourt to Bayindir | 1,458.82 mi (2,347.74 km) |
| Boulogne-Billancourt to Baykan | 2,086.71 mi (3,358.24 km) |
