| Caerfyrddin to Bitonto | 1,236.94 mi (1,990.66 km) |
| Caerfyrddin to Bitritto | 1,245.76 mi (2,004.86 km) |
| Caerfyrddin to Bollate | 749.79 mi (1,206.68 km) |
| Caerfyrddin to Bologna | 879.82 mi (1,415.94 km) |
| Caerfyrddin to Bolzano | 796.51 mi (1,281.86 km) |
| Caerfyrddin to Bomporto | 857.50 mi (1,380.01 km) |
| Caerfyrddin to Bonate di Sopra | 760.64 mi (1,224.12 km) |
| Caerfyrddin to Bondeno | 865.25 mi (1,392.48 km) |
| Caerfyrddin to Bordighera | 785.59 mi (1,264.29 km) |
| Caerfyrddin to Borgaro Torinese | 715.89 mi (1,152.12 km) |
| Caerfyrddin to Borgo a Buggiano | 885.88 mi (1,425.68 km) |
| Caerfyrddin to Borgo San Dalmazzo | 751.04 mi (1,208.67 km) |
| Caerfyrddin to Borgo San Lorenzo | 906.33 mi (1,458.60 km) |
| Caerfyrddin to Borgomanero | 719.20 mi (1,157.44 km) |
| Caerfyrddin to Borgoricco | 859.44 mi (1,383.13 km) |
