| Penarth to Borgosatollo | 737.73 mi (1,187.27 km) |
| Penarth to Borgosesia | 653.90 mi (1,052.35 km) |
| Penarth to Boscoreale | 1,116.45 mi (1,796.75 km) |
| Penarth to Boscotrecase | 1,115.02 mi (1,794.45 km) |
| Penarth to Botticino Sera | 735.02 mi (1,182.89 km) |
| Penarth to Bovalino Marina | 1,311.77 mi (2,111.09 km) |
| Penarth to Boves | 696.65 mi (1,121.14 km) |
| Penarth to Boville Ernica | 1,035.79 mi (1,666.94 km) |
| Penarth to Bovisio Masciago | 690.78 mi (1,111.70 km) |
| Penarth to Bovolone | 781.41 mi (1,257.55 km) |
| Penarth to Bra | 687.96 mi (1,107.17 km) |
| Penarth to Bracciano | 967.87 mi (1,557.63 km) |
| Penarth to Brandizzo | 664.07 mi (1,068.72 km) |
| Penarth to Breganze | 779.44 mi (1,254.39 km) |
| Penarth to Brembate | 706.40 mi (1,136.84 km) |
