| Rhondda to Borgosatollo | 753.24 mi (1,212.23 km) |
| Rhondda to Borgosesia | 669.80 mi (1,077.94 km) |
| Rhondda to Boscoreale | 1,132.49 mi (1,822.56 km) |
| Rhondda to Boscotrecase | 1,131.05 mi (1,820.25 km) |
| Rhondda to Botticino Sera | 750.50 mi (1,207.81 km) |
| Rhondda to Bovalino Marina | 1,327.98 mi (2,137.18 km) |
| Rhondda to Boves | 713.08 mi (1,147.59 km) |
| Rhondda to Boville Ernica | 1,051.81 mi (1,692.73 km) |
| Rhondda to Bovisio Masciago | 706.50 mi (1,137.00 km) |
| Rhondda to Bovolone | 796.79 mi (1,282.31 km) |
| Rhondda to Bra | 704.27 mi (1,133.41 km) |
| Rhondda to Bracciano | 984.01 mi (1,583.61 km) |
| Rhondda to Brandizzo | 680.25 mi (1,094.76 km) |
| Rhondda to Breganze | 794.50 mi (1,278.63 km) |
| Rhondda to Brembate | 722.03 mi (1,161.99 km) |
