| Swansea to Cassina de' Pecchi | 4,779.26 mi (7,691.48 km) |
| Swansea to Cassino | 5,123.58 mi (8,245.60 km) |
| Swansea to Castagneto Carducci | 4,922.38 mi (7,921.81 km) |
| Swansea to Castano Primo | 4,753.95 mi (7,650.74 km) |
| Swansea to Castel Bolognese | 4,924.33 mi (7,924.95 km) |
| Swansea to Castel Gandolfo | 5,064.80 mi (8,151.00 km) |
| Swansea to Castel Goffredo | 4,832.06 mi (7,776.45 km) |
| Swansea to Castel Maggiore | 4,896.89 mi (7,880.78 km) |
| Swansea to Castel Mella | 4,811.15 mi (7,742.80 km) |
| Swansea to Castel San Giorgio | 5,189.64 mi (8,351.91 km) |
| Swansea to Castel San Giovanni | 4,800.17 mi (7,725.13 km) |
| Swansea to Castel San Pietro Terme | 4,912.29 mi (7,905.56 km) |
| Swansea to Castel Volturno | 5,146.11 mi (8,281.86 km) |
| Swansea to Castelbuono | 5,287.48 mi (8,509.38 km) |
| Swansea to Casteldaccia | 5,258.33 mi (8,462.47 km) |
