| Swansea to Cabestany | 4,619.04 mi (7,433.62 km) |
| Swansea to Cabries | 4,694.85 mi (7,555.63 km) |
| Swansea to Cachan | 4,379.38 mi (7,047.92 km) |
| Swansea to Caen | 4,258.73 mi (6,853.76 km) |
| Swansea to Cagnes-sur-Mer | 4,760.44 mi (7,661.19 km) |
| Swansea to Cahors | 4,491.55 mi (7,228.46 km) |
| Swansea to Calais | 4,289.81 mi (6,903.78 km) |
| Swansea to Caluire-et-Cuire | 4,585.81 mi (7,380.15 km) |
| Swansea to Cambrai | 4,368.40 mi (7,030.27 km) |
| Swansea to Canet-en-Roussillon | 4,620.90 mi (7,436.62 km) |
| Swansea to Cannes | 4,759.12 mi (7,659.06 km) |
| Swansea to Canteleu | 4,306.14 mi (6,930.07 km) |
| Swansea to Capbreton | 4,395.41 mi (7,073.73 km) |
| Swansea to Carcassonne | 4,574.33 mi (7,361.68 km) |
| Swansea to Carmaux | 4,536.13 mi (7,300.20 km) |
