| Caerphilly to Butzbach | 521.88 mi (839.88 km) |
| Caerphilly to Buxtehude | 557.83 mi (897.74 km) |
| Caerphilly to Cadolzburg | 634.96 mi (1,021.86 km) |
| Caerphilly to Calbe | 640.75 mi (1,031.19 km) |
| Caerphilly to Calw | 564.08 mi (907.79 km) |
| Caerphilly to Castrop-Rauxel | 452.09 mi (727.57 km) |
| Caerphilly to Celle | 568.28 mi (914.56 km) |
| Caerphilly to Cham | 716.13 mi (1,152.50 km) |
| Caerphilly to Chemnitz | 698.92 mi (1,124.80 km) |
| Caerphilly to Clausthal-Zellerfeld | 579.88 mi (933.23 km) |
| Caerphilly to Cloppenburg | 484.52 mi (779.76 km) |
| Caerphilly to Coburg | 623.40 mi (1,003.26 km) |
| Caerphilly to Coesfeld | 444.43 mi (715.25 km) |
| Caerphilly to Cologne | 441.65 mi (710.77 km) |
| Caerphilly to Coswig | 723.99 mi (1,165.15 km) |
