| Penarth to Bitonto | 1,179.69 mi (1,898.53 km) |
| Penarth to Bitritto | 1,188.52 mi (1,912.74 km) |
| Penarth to Bollate | 692.52 mi (1,114.50 km) |
| Penarth to Bologna | 822.56 mi (1,323.79 km) |
| Penarth to Bolzano | 739.99 mi (1,190.89 km) |
| Penarth to Bomporto | 800.24 mi (1,287.86 km) |
| Penarth to Bonate di Sopra | 703.39 mi (1,132.00 km) |
| Penarth to Bondeno | 808.05 mi (1,300.43 km) |
| Penarth to Bordighera | 729.26 mi (1,173.63 km) |
| Penarth to Borgaro Torinese | 658.87 mi (1,060.34 km) |
| Penarth to Borgo a Buggiano | 828.64 mi (1,333.57 km) |
| Penarth to Borgo San Dalmazzo | 694.47 mi (1,117.63 km) |
| Penarth to Borgo San Lorenzo | 849.05 mi (1,366.42 km) |
| Penarth to Borgomanero | 661.93 mi (1,065.27 km) |
| Penarth to Borgoricco | 802.53 mi (1,291.54 km) |
