| Swansea to Cernavoda | 5,530.92 mi (8,901.16 km) |
| Swansea to Chitila | 5,450.87 mi (8,772.33 km) |
| Swansea to Cisnadie | 5,328.82 mi (8,575.91 km) |
| Swansea to Cluj-Napoca | 5,259.53 mi (8,464.39 km) |
| Swansea to Codlea | 5,374.96 mi (8,650.16 km) |
| Swansea to Comanesti | 5,374.51 mi (8,649.44 km) |
| Swansea to Comarnic | 5,402.98 mi (8,695.25 km) |
| Swansea to Constanta | 5,560.13 mi (8,948.16 km) |
| Swansea to Corabia | 5,433.15 mi (8,743.81 km) |
| Swansea to Costesti | 5,404.06 mi (8,697.00 km) |
| Swansea to Covasna | 5,393.39 mi (8,679.81 km) |
| Swansea to Craiova | 5,381.82 mi (8,661.21 km) |
| Swansea to Cristuru Secuiesc | 5,332.43 mi (8,581.72 km) |
| Swansea to Cugir | 5,294.81 mi (8,521.18 km) |
| Swansea to Cumpana | 5,560.12 mi (8,948.16 km) |
