| Caerfyrddin to Borsbeek | 380.71 mi (612.69 km) |
| Caerfyrddin to Boussu | 364.89 mi (587.24 km) |
| Caerfyrddin to Braine-l'Alleud | 384.00 mi (617.99 km) |
| Caerfyrddin to Braine-le-Chateau | 379.52 mi (610.78 km) |
| Caerfyrddin to Braine-le-Comte | 375.51 mi (604.32 km) |
| Caerfyrddin to Brasschaat | 379.87 mi (611.35 km) |
| Caerfyrddin to Brecht | 385.39 mi (620.23 km) |
| Caerfyrddin to Bredene | 316.12 mi (508.74 km) |
| Caerfyrddin to Bree | 428.41 mi (689.47 km) |
| Caerfyrddin to Bruges | 327.00 mi (526.26 km) |
| Caerfyrddin to Brussels | 380.26 mi (611.98 km) |
| Caerfyrddin to Buggenhout | 371.38 mi (597.68 km) |
| Caerfyrddin to Chapelle-lez-Herlaimont | 384.52 mi (618.83 km) |
| Caerfyrddin to Charleroi | 392.22 mi (631.22 km) |
| Caerfyrddin to Chatelet | 395.71 mi (636.84 km) |
