| Cwmbran to Bilecik | 1,754.60 mi (2,823.76 km) |
| Cwmbran to Bingol | 2,251.95 mi (3,624.16 km) |
| Cwmbran to Birecik | 2,225.51 mi (3,581.61 km) |
| Cwmbran to Bitlis | 2,341.07 mi (3,767.60 km) |
| Cwmbran to Bodrum | 1,791.35 mi (2,882.90 km) |
| Cwmbran to Bogazliyan | 2,015.84 mi (3,244.17 km) |
| Cwmbran to Bolu | 1,798.01 mi (2,893.62 km) |
| Cwmbran to Bolvadin | 1,861.00 mi (2,995.00 km) |
| Cwmbran to Bor | 2,044.21 mi (3,289.84 km) |
| Cwmbran to Borcka | 2,201.98 mi (3,543.74 km) |
| Cwmbran to Boyabat | 1,902.61 mi (3,061.96 km) |
| Cwmbran to Bozdogan | 1,796.66 mi (2,891.44 km) |
| Cwmbran to Bozkir | 1,979.29 mi (3,185.35 km) |
| Cwmbran to Bozkurt | 1,842.85 mi (2,965.77 km) |
| Cwmbran to Bozuyuk | 1,767.05 mi (2,843.79 km) |
