| Caerfyrddin to Barberino di Mugello | 898.65 mi (1,446.24 km) |
| Caerfyrddin to Barcellona-Pozzo di Gotto | 1,336.24 mi (2,150.47 km) |
| Caerfyrddin to Bareggio | 748.64 mi (1,204.82 km) |
| Caerfyrddin to Barga | 867.68 mi (1,396.40 km) |
| Caerfyrddin to Bari | 1,243.41 mi (2,001.08 km) |
| Caerfyrddin to Barletta | 1,212.38 mi (1,951.13 km) |
| Caerfyrddin to Baronissi | 1,184.95 mi (1,907.00 km) |
| Caerfyrddin to Barrafranca | 1,345.63 mi (2,165.58 km) |
| Caerfyrddin to Bassano del Grappa | 840.18 mi (1,352.14 km) |
| Caerfyrddin to Battipaglia | 1,199.11 mi (1,929.78 km) |
| Caerfyrddin to Beinasco | 720.09 mi (1,158.88 km) |
| Caerfyrddin to Bellinzago Novarese | 730.57 mi (1,175.73 km) |
| Caerfyrddin to Belluno | 844.45 mi (1,359.00 km) |
| Caerfyrddin to Belmonte Mezzagno | 1,281.18 mi (2,061.86 km) |
| Caerfyrddin to Belpasso | 1,359.29 mi (2,187.56 km) |
