| Caerphilly to Zottegem | 307.52 mi (494.90 km) |
| Caerphilly to Zulte | 291.17 mi (468.59 km) |
| Caerphilly to Zwevegem | 288.64 mi (464.53 km) |
| Caerphilly to Zwijndrecht | 326.33 mi (525.18 km) |
| Caerphilly to Asenovgrad | 1,471.11 mi (2,367.53 km) |
| Caerphilly to Aytos | 1,543.46 mi (2,483.95 km) |
| Caerphilly to Balchik | 1,554.55 mi (2,501.81 km) |
| Caerphilly to Bankya | 1,371.77 mi (2,207.65 km) |
| Caerphilly to Bansko | 1,421.81 mi (2,288.18 km) |
| Caerphilly to Berkovitsa | 1,349.90 mi (2,172.46 km) |
| Caerphilly to Blagoevgrad | 1,398.23 mi (2,250.24 km) |
| Caerphilly to Botevgrad | 1,390.82 mi (2,238.30 km) |
| Caerphilly to Burgas | 1,560.37 mi (2,511.17 km) |
| Caerphilly to Byala Slatina | 1,374.89 mi (2,212.66 km) |
| Caerphilly to Chirpan | 1,482.65 mi (2,386.09 km) |
