| Caerfyrddin to Bernburg | 683.95 mi (1,100.71 km) |
| Caerfyrddin to Bersenbruck | 519.57 mi (836.16 km) |
| Caerfyrddin to Besigheim | 623.32 mi (1,003.13 km) |
| Caerfyrddin to Bestwig | 545.95 mi (878.62 km) |
| Caerfyrddin to Betzdorf | 530.85 mi (854.31 km) |
| Caerfyrddin to Beverstedt | 560.46 mi (901.97 km) |
| Caerfyrddin to Beverungen | 584.70 mi (940.98 km) |
| Caerfyrddin to Bexbach | 535.65 mi (862.05 km) |
| Caerfyrddin to Biberach | 676.69 mi (1,089.03 km) |
| Caerfyrddin to Biblis | 576.85 mi (928.36 km) |
| Caerfyrddin to Bieber | 564.06 mi (907.77 km) |
| Caerfyrddin to Biedenkopf | 557.10 mi (896.57 km) |
| Caerfyrddin to Bielefeld | 546.80 mi (879.99 km) |
| Caerfyrddin to Bietigheim-Bissingen | 623.85 mi (1,003.98 km) |
| Caerfyrddin to Billerbeck | 494.37 mi (795.60 km) |
