| Penarth to Bispham | 167.43 mi (269.45 km) |
| Penarth to Blackburn | 162.74 mi (261.90 km) |
| Penarth to Blackpool | 164.81 mi (265.23 km) |
| Penarth to Blairgowrie | 356.70 mi (574.05 km) |
| Penarth to Blandford Forum | 58.91 mi (94.81 km) |
| Penarth to Blaydon | 251.37 mi (404.54 km) |
| Penarth to Bletchley | 111.40 mi (179.29 km) |
| Penarth to Bloxwich | 95.65 mi (153.94 km) |
| Penarth to Blunsdon Saint Andrew | 60.62 mi (97.56 km) |
| Penarth to Blyth | 264.35 mi (425.44 km) |
| Penarth to Bo'ness | 317.42 mi (510.84 km) |
| Penarth to Bodmin | 94.74 mi (152.48 km) |
| Penarth to Bognor Regis | 117.06 mi (188.39 km) |
| Penarth to Bolsover | 147.61 mi (237.56 km) |
| Penarth to Bolton | 151.65 mi (244.05 km) |
