| Cwmbran to Bispham | 151.94 mi (244.52 km) |
| Cwmbran to Blackburn | 146.50 mi (235.77 km) |
| Cwmbran to Blackpool | 149.33 mi (240.32 km) |
| Cwmbran to Blairgowrie | 341.47 mi (549.54 km) |
| Cwmbran to Blandford Forum | 66.35 mi (106.78 km) |
| Cwmbran to Blaydon | 234.92 mi (378.07 km) |
| Cwmbran to Bletchley | 100.55 mi (161.82 km) |
| Cwmbran to Bloxwich | 79.18 mi (127.42 km) |
| Cwmbran to Blunsdon Saint Andrew | 52.88 mi (85.10 km) |
| Cwmbran to Blyth | 247.85 mi (398.88 km) |
| Cwmbran to Bo'ness | 302.46 mi (486.76 km) |
| Cwmbran to Bodmin | 110.25 mi (177.44 km) |
| Cwmbran to Bognor Regis | 117.95 mi (189.82 km) |
| Cwmbran to Bolsover | 131.17 mi (211.10 km) |
| Cwmbran to Bolton | 135.30 mi (217.75 km) |
