| Swansea to Candler-McAfee (Georgia) | 461.03 mi (741.95 km) |
| Swansea to Caño Martin Peña (Puerto Rico) | 1,999.19 mi (3,217.38 km) |
| Swansea to Cañon City (Colorado) | 822.90 mi (1,324.33 km) |
| Swansea to Canóvanas (Puerto Rico) | 2,008.84 mi (3,232.92 km) |
| Swansea to Canton (Georgia) | 426.29 mi (686.04 km) |
| Swansea to Canton (Illinois) | 139.08 mi (223.83 km) |
| Swansea to Canton (Mississippi) | 411.33 mi (661.98 km) |
| Swansea to Canton (Ohio) | 483.84 mi (778.66 km) |
| Swansea to Canyon (Texas) | 704.10 mi (1,133.13 km) |
| Swansea to Canyon Lake (California) | 1,552.88 mi (2,499.12 km) |
| Swansea to Canyon Lake (Texas) | 762.66 mi (1,227.38 km) |
| Swansea to Cape Coral (Florida) | 944.05 mi (1,519.31 km) |
| Swansea to Cape Girardeau (Missouri) | 88.75 mi (142.83 km) |
| Swansea to Carbondale (Illinois) | 70.66 mi (113.72 km) |
| Swansea to Carlisle (Pennsylvania) | 691.51 mi (1,112.88 km) |
