| Swansea to Castelletto sopra Ticino | 4,742.17 mi (7,631.78 km) |
| Swansea to Castelli Calepio | 4,795.96 mi (7,718.36 km) |
| Swansea to Castelnovo ne' Monti | 4,863.46 mi (7,826.98 km) |
| Swansea to Castelnuovo Berardenga | 4,951.90 mi (7,969.31 km) |
| Swansea to Castelnuovo di Porto | 5,042.47 mi (8,115.06 km) |
| Swansea to Castelnuovo di Verona | 4,838.28 mi (7,786.45 km) |
| Swansea to Castelnuovo Rangone | 4,880.22 mi (7,853.95 km) |
| Swansea to Castelvetrano | 5,242.34 mi (8,436.74 km) |
| Swansea to Castelvetro di Modena | 4,882.90 mi (7,858.26 km) |
| Swansea to Castenaso | 4,903.34 mi (7,891.17 km) |
| Swansea to Castenedolo | 4,818.15 mi (7,754.06 km) |
| Swansea to Castiglion Fiorentino | 4,968.83 mi (7,996.57 km) |
| Swansea to Castiglione del Lago | 4,982.48 mi (8,018.53 km) |
| Swansea to Castiglione delle Stiviere | 4,829.02 mi (7,771.55 km) |
| Swansea to Castrolibero | 5,315.07 mi (8,553.77 km) |
