| Caerfyrddin to Creutzwald | 516.52 mi (831.26 km) |
| Caerfyrddin to Croissy-sur-Seine | 351.01 mi (564.89 km) |
| Caerfyrddin to Croix | 332.73 mi (535.48 km) |
| Caerfyrddin to Crosne | 369.38 mi (594.47 km) |
| Caerfyrddin to Cuers | 766.07 mi (1,232.88 km) |
| Caerfyrddin to Cugnaux | 631.66 mi (1,016.56 km) |
| Caerfyrddin to Cusset | 528.97 mi (851.30 km) |
| Caerfyrddin to Dammarie-le-Lys | 384.31 mi (618.49 km) |
| Caerfyrddin to Dammartin-en-Goele | 363.40 mi (584.83 km) |
| Caerfyrddin to Dardilly | 586.45 mi (943.81 km) |
| Caerfyrddin to Darnetal | 291.63 mi (469.33 km) |
| Caerfyrddin to Dax | 582.74 mi (937.84 km) |
| Caerfyrddin to Decines-Charpieu | 594.91 mi (957.42 km) |
| Caerfyrddin to Denain | 350.67 mi (564.35 km) |
| Caerfyrddin to Deuil-la-Barre | 353.51 mi (568.91 km) |
