| Swansea to Cognac | 4,373.84 mi (7,039.01 km) |
| Swansea to Cogolin | 4,750.35 mi (7,644.96 km) |
| Swansea to Colmar | 4,602.40 mi (7,406.85 km) |
| Swansea to Colombes | 4,371.79 mi (7,035.72 km) |
| Swansea to Colomiers | 4,516.37 mi (7,268.39 km) |
| Swansea to Combs-la-Ville | 4,392.56 mi (7,069.14 km) |
| Swansea to Comines | 4,340.17 mi (6,984.83 km) |
| Swansea to Compiegne | 4,377.87 mi (7,045.51 km) |
| Swansea to Concarneau | 4,153.80 mi (6,684.89 km) |
| Swansea to Conde-sur-l'Escaut | 4,372.95 mi (7,037.59 km) |
| Swansea to Conflans-Sainte-Honorine | 4,363.16 mi (7,021.82 km) |
| Swansea to Corbas | 4,592.68 mi (7,391.21 km) |
| Swansea to Corbeil-Essonnes | 4,391.34 mi (7,067.18 km) |
| Swansea to Cormeilles-en-Parisis | 4,368.09 mi (7,029.77 km) |
| Swansea to Cosne sur Loire | 4,450.25 mi (7,161.98 km) |
