| Caerfyrddin to Coswig | 712.98 mi (1,147.43 km) |
| Caerfyrddin to Cottbus | 794.58 mi (1,278.76 km) |
| Caerfyrddin to Crailsheim | 658.44 mi (1,059.66 km) |
| Caerfyrddin to Cremlingen | 635.50 mi (1,022.74 km) |
| Caerfyrddin to Crimmitschau | 722.96 mi (1,163.49 km) |
| Caerfyrddin to Cuxhaven | 559.28 mi (900.07 km) |
| Caerfyrddin to Dachau | 739.72 mi (1,190.47 km) |
| Caerfyrddin to Dallgow-Doberitz | 735.20 mi (1,183.20 km) |
| Caerfyrddin to Damme | 531.42 mi (855.23 km) |
| Caerfyrddin to Darmstadt | 581.07 mi (935.14 km) |
| Caerfyrddin to Dassel | 597.15 mi (961.03 km) |
| Caerfyrddin to Datteln | 498.27 mi (801.89 km) |
| Caerfyrddin to Dautphe | 558.64 mi (899.04 km) |
| Caerfyrddin to Deggendorf | 788.03 mi (1,268.22 km) |
| Caerfyrddin to Delbruck | 549.63 mi (884.54 km) |
