| Swansea to Chivasso | 4,732.28 mi (7,615.87 km) |
| Swansea to Ciampino | 5,060.45 mi (8,144.00 km) |
| Swansea to Cicciano | 5,174.94 mi (8,328.26 km) |
| Swansea to Cingoli | 5,020.14 mi (8,079.13 km) |
| Swansea to Cinisello Balsamo | 4,771.97 mi (7,679.74 km) |
| Swansea to Cinisi | 5,234.85 mi (8,424.68 km) |
| Swansea to Cirie | 4,718.95 mi (7,594.41 km) |
| Swansea to Ciro Marina | 5,350.83 mi (8,611.33 km) |
| Swansea to Cislago | 4,758.09 mi (7,657.41 km) |
| Swansea to Cisterna di Latina | 5,078.57 mi (8,173.17 km) |
| Swansea to Cisternino | 5,302.65 mi (8,533.79 km) |
| Swansea to Citta di Castello | 4,977.16 mi (8,009.96 km) |
| Swansea to Citta Sant'Angelo | 5,089.30 mi (8,190.44 km) |
| Swansea to Cittadella | 4,869.69 mi (7,837.01 km) |
| Swansea to Cittanova | 5,352.81 mi (8,614.52 km) |
