| Caerfyrddin to Coudekerque-Branche | 294.42 mi (473.82 km) |
| Caerfyrddin to Coueron | 341.00 mi (548.78 km) |
| Caerfyrddin to Coulommiers | 387.82 mi (624.13 km) |
| Caerfyrddin to Courbevoic | 354.13 mi (569.91 km) |
| Caerfyrddin to Courcouronnes | 372.20 mi (599.01 km) |
| Caerfyrddin to Cournon-d'Auvergne | 542.88 mi (873.69 km) |
| Caerfyrddin to Courrieres | 329.07 mi (529.59 km) |
| Caerfyrddin to Coutras | 508.27 mi (817.98 km) |
| Caerfyrddin to Couzeix | 483.87 mi (778.72 km) |
| Caerfyrddin to Cran-Gevrier | 626.07 mi (1,007.57 km) |
| Caerfyrddin to Craponne | 588.65 mi (947.34 km) |
| Caerfyrddin to Creil | 348.06 mi (560.15 km) |
| Caerfyrddin to Crepy-en-Valois | 364.24 mi (586.19 km) |
| Caerfyrddin to Crest | 652.26 mi (1,049.72 km) |
| Caerfyrddin to Creteil | 366.18 mi (589.31 km) |
