| Caerphilly to Bingen am Rhein | 497.86 mi (801.23 km) |
| Caerphilly to Birkenau | 540.84 mi (870.39 km) |
| Caerphilly to Birkenfeld | 555.66 mi (894.24 km) |
| Caerphilly to Bischofsheim | 516.75 mi (831.63 km) |
| Caerphilly to Bischofswerda | 749.59 mi (1,206.35 km) |
| Caerphilly to Bisingen | 583.98 mi (939.83 km) |
| Caerphilly to Bissendorf | 486.90 mi (783.59 km) |
| Caerphilly to Bitburg | 440.01 mi (708.13 km) |
| Caerphilly to Bitterfeld | 665.49 mi (1,071.01 km) |
| Caerphilly to Blankenburg | 606.64 mi (976.29 km) |
| Caerphilly to Blankenfelde | 707.90 mi (1,139.26 km) |
| Caerphilly to Blaubeuren | 616.55 mi (992.24 km) |
| Caerphilly to Bleicherode | 592.16 mi (952.99 km) |
| Caerphilly to Blieskastel | 488.09 mi (785.50 km) |
| Caerphilly to Blomberg | 526.07 mi (846.63 km) |
