| Swansea to Conyers (Georgia) | 474.90 mi (764.28 km) |
| Swansea to Cookeville (Tennessee) | 296.53 mi (477.22 km) |
| Swansea to Coolidge (Arizona) | 1,265.17 mi (2,036.09 km) |
| Swansea to Coon Rapids (Minnesota) | 488.52 mi (786.19 km) |
| Swansea to Cooper City (Florida) | 1,031.66 mi (1,660.30 km) |
| Swansea to Coos Bay (Oregon) | 1,804.51 mi (2,904.07 km) |
| Swansea to Copiague (New York) | 893.93 mi (1,438.64 km) |
| Swansea to Coppell (Texas) | 550.33 mi (885.68 km) |
| Swansea to Copperas Cove (Texas) | 681.91 mi (1,097.44 km) |
| Swansea to Coral Gables (Florida) | 1,052.53 mi (1,693.88 km) |
| Swansea to Coral Springs (Florida) | 1,019.27 mi (1,640.35 km) |
| Swansea to Coral Terrace (Florida) | 1,048.93 mi (1,688.10 km) |
| Swansea to Coralville (Iowa) | 233.57 mi (375.89 km) |
| Swansea to Coram (New York) | 915.18 mi (1,472.84 km) |
| Swansea to Corcoran (California) | 1,627.02 mi (2,618.43 km) |
