| Derry to Bahce | 2,382.25 mi (3,833.85 km) |
| Derry to Bahcesaray | 2,580.96 mi (4,153.65 km) |
| Derry to Balikesir | 1,930.91 mi (3,107.50 km) |
| Derry to Balya | 1,913.93 mi (3,080.18 km) |
| Derry to Banaz | 2,045.42 mi (3,291.79 km) |
| Derry to Bandirma | 1,899.29 mi (3,056.62 km) |
| Derry to Bartin | 2,007.37 mi (3,230.54 km) |
| Derry to Baskale | 2,632.49 mi (4,236.58 km) |
| Derry to Baskil | 2,403.28 mi (3,867.71 km) |
| Derry to Basmakci | 2,097.09 mi (3,374.94 km) |
| Derry to Batman | 2,526.49 mi (4,065.99 km) |
| Derry to Battalgazi | 2,392.37 mi (3,850.15 km) |
| Derry to Bayat | 2,127.58 mi (3,424.01 km) |
| Derry to Bayburt | 2,379.65 mi (3,829.68 km) |
| Derry to Bayindir | 1,992.47 mi (3,206.58 km) |
