| Rhondda to Belvedere Marittimo | 1,240.39 mi (1,996.21 km) |
| Rhondda to Benevento | 1,124.72 mi (1,810.07 km) |
| Rhondda to Bergamo | 722.32 mi (1,162.47 km) |
| Rhondda to Bernalda | 1,229.43 mi (1,978.58 km) |
| Rhondda to Bertinoro | 883.26 mi (1,421.47 km) |
| Rhondda to Besana in Brianza | 707.71 mi (1,138.95 km) |
| Rhondda to Besozzo | 678.30 mi (1,091.62 km) |
| Rhondda to Biancavilla | 1,311.56 mi (2,110.75 km) |
| Rhondda to Biassono | 710.06 mi (1,142.73 km) |
| Rhondda to Bibbiano | 798.01 mi (1,284.28 km) |
| Rhondda to Bibbiena | 892.45 mi (1,436.26 km) |
| Rhondda to Biella | 669.61 mi (1,077.63 km) |
| Rhondda to Bisceglie | 1,182.55 mi (1,903.12 km) |
| Rhondda to Bisignano | 1,260.34 mi (2,028.32 km) |
| Rhondda to Bitetto | 1,201.78 mi (1,934.08 km) |
