| Rhondda to Brescia | 749.77 mi (1,206.63 km) |
| Rhondda to Bressanone | 758.62 mi (1,220.88 km) |
| Rhondda to Bresso | 711.47 mi (1,145.00 km) |
| Rhondda to Brindisi | 1,265.43 mi (2,036.51 km) |
| Rhondda to Broni | 735.93 mi (1,184.36 km) |
| Rhondda to Bronte | 1,303.10 mi (2,097.13 km) |
| Rhondda to Brugherio | 715.01 mi (1,150.70 km) |
| Rhondda to Brugnera | 824.48 mi (1,326.87 km) |
| Rhondda to Bruino | 675.48 mi (1,087.07 km) |
| Rhondda to Brunico | 766.91 mi (1,234.22 km) |
| Rhondda to Brusciano | 1,122.51 mi (1,806.50 km) |
| Rhondda to Bucine | 895.53 mi (1,441.22 km) |
| Rhondda to Budrio | 842.75 mi (1,356.28 km) |
| Rhondda to Busca | 700.87 mi (1,127.94 km) |
| Rhondda to Bussolengo | 776.71 mi (1,249.99 km) |
