| Rhondda to Barberino di Mugello | 857.21 mi (1,379.55 km) |
| Rhondda to Barcellona-Pozzo di Gotto | 1,295.73 mi (2,085.28 km) |
| Rhondda to Bareggio | 707.19 mi (1,138.11 km) |
| Rhondda to Barga | 826.41 mi (1,329.98 km) |
| Rhondda to Bari | 1,201.72 mi (1,933.98 km) |
| Rhondda to Barletta | 1,170.73 mi (1,884.10 km) |
| Rhondda to Baronissi | 1,143.72 mi (1,840.64 km) |
| Rhondda to Barrafranca | 1,305.82 mi (2,101.52 km) |
| Rhondda to Bassano del Grappa | 798.31 mi (1,284.76 km) |
| Rhondda to Battipaglia | 1,157.86 mi (1,863.40 km) |
| Rhondda to Beinasco | 679.42 mi (1,093.42 km) |
| Rhondda to Bellinzago Novarese | 689.16 mi (1,109.09 km) |
| Rhondda to Belluno | 802.59 mi (1,291.65 km) |
| Rhondda to Belmonte Mezzagno | 1,241.46 mi (1,997.94 km) |
| Rhondda to Belpasso | 1,319.07 mi (2,122.84 km) |
