| Caerphilly to Creutzwald | 466.00 mi (749.95 km) |
| Caerphilly to Croissy-sur-Seine | 301.43 mi (485.11 km) |
| Caerphilly to Croix | 282.98 mi (455.40 km) |
| Caerphilly to Crosne | 319.79 mi (514.66 km) |
| Caerphilly to Cuers | 720.42 mi (1,159.41 km) |
| Caerphilly to Cugnaux | 594.55 mi (956.84 km) |
| Caerphilly to Cusset | 482.83 mi (777.04 km) |
| Caerphilly to Dammarie-le-Lys | 334.88 mi (538.94 km) |
| Caerphilly to Dammartin-en-Goele | 313.14 mi (503.96 km) |
| Caerphilly to Dardilly | 539.05 mi (867.52 km) |
| Caerphilly to Darnetal | 241.96 mi (389.40 km) |
| Caerphilly to Dax | 552.85 mi (889.72 km) |
| Caerphilly to Decines-Charpieu | 547.32 mi (880.82 km) |
| Caerphilly to Denain | 300.38 mi (483.41 km) |
| Caerphilly to Deuil-la-Barre | 303.60 mi (488.60 km) |
