| Swansea to Coudekerque-Branche | 4,307.87 mi (6,932.85 km) |
| Swansea to Coueron | 4,265.78 mi (6,865.11 km) |
| Swansea to Coulommiers | 4,408.41 mi (7,094.65 km) |
| Swansea to Courbevoic | 4,372.69 mi (7,037.17 km) |
| Swansea to Courcouronnes | 4,388.91 mi (7,063.27 km) |
| Swansea to Cournon-d'Auvergne | 4,519.75 mi (7,273.83 km) |
| Swansea to Courrieres | 4,347.88 mi (6,997.23 km) |
| Swansea to Coutras | 4,404.35 mi (7,088.12 km) |
| Swansea to Couzeix | 4,433.61 mi (7,135.21 km) |
| Swansea to Cran-Gevrier | 4,633.10 mi (7,456.25 km) |
| Swansea to Craponne | 4,582.55 mi (7,374.90 km) |
| Swansea to Creil | 4,369.75 mi (7,032.43 km) |
| Swansea to Crepy-en-Valois | 4,386.48 mi (7,059.36 km) |
| Swansea to Crest | 4,632.06 mi (7,454.59 km) |
| Swansea to Creteil | 4,384.61 mi (7,056.35 km) |
