| Duncan to Bahce | 6,683.10 mi (10,755.41 km) |
| Duncan to Bahcesaray | 6,820.66 mi (10,976.80 km) |
| Duncan to Balikesir | 6,255.86 mi (10,067.83 km) |
| Duncan to Balya | 6,239.19 mi (10,041.01 km) |
| Duncan to Banaz | 6,368.56 mi (10,249.21 km) |
| Duncan to Bandirma | 6,221.94 mi (10,013.25 km) |
| Duncan to Bartin | 6,302.19 mi (10,142.39 km) |
| Duncan to Baskale | 6,859.66 mi (11,039.56 km) |
| Duncan to Baskil | 6,676.85 mi (10,745.35 km) |
| Duncan to Basmakci | 6,421.95 mi (10,335.13 km) |
| Duncan to Batman | 6,785.81 mi (10,920.71 km) |
| Duncan to Battalgazi | 6,671.07 mi (10,736.05 km) |
| Duncan to Bayat | 6,417.82 mi (10,328.48 km) |
| Duncan to Bayburt | 6,622.16 mi (10,657.34 km) |
| Duncan to Bayindir | 6,320.00 mi (10,171.06 km) |
