| Caerfyrddin to Beausoleil | 779.94 mi (1,255.19 km) |
| Caerfyrddin to Beauvais | 326.93 mi (526.15 km) |
| Caerfyrddin to Begles | 516.60 mi (831.38 km) |
| Caerfyrddin to Belfort | 576.47 mi (927.74 km) |
| Caerfyrddin to Bellegarde-sur-Valserine | 606.68 mi (976.35 km) |
| Caerfyrddin to Bellerive-sur-Allier | 528.38 mi (850.34 km) |
| Caerfyrddin to Bellevue | 360.00 mi (579.37 km) |
| Caerfyrddin to Belley | 619.21 mi (996.52 km) |
| Caerfyrddin to Berck-sur-Mer | 274.93 mi (442.45 km) |
| Caerfyrddin to Bergerac | 531.51 mi (855.39 km) |
| Caerfyrddin to Bernay | 288.44 mi (464.19 km) |
| Caerfyrddin to Berre-l'Etang | 726.76 mi (1,169.61 km) |
| Caerfyrddin to Besancon | 561.67 mi (903.93 km) |
| Caerfyrddin to Bethune | 314.71 mi (506.47 km) |
| Caerfyrddin to Betton | 280.12 mi (450.81 km) |
