| Swansea to Central Point (Oregon) | 1,739.76 mi (2,799.88 km) |
| Swansea to Centralia (Illinois) | 46.66 mi (75.09 km) |
| Swansea to Centralia (Washington) | 1,754.04 mi (2,822.85 km) |
| Swansea to Centreville (Virginia) | 676.37 mi (1,088.51 km) |
| Swansea to Ceres (California) | 1,678.17 mi (2,700.75 km) |
| Swansea to Cerritos (California) | 1,592.12 mi (2,562.27 km) |
| Swansea to Chalco (Nebraska) | 373.23 mi (600.66 km) |
| Swansea to Chalmette (Louisiana) | 594.68 mi (957.05 km) |
| Swansea to Chambersburg (Pennsylvania) | 666.12 mi (1,072.02 km) |
| Swansea to Chamblee (Georgia) | 451.90 mi (727.26 km) |
| Swansea to Champaign (Illinois) | 141.56 mi (227.82 km) |
| Swansea to Champlin (Minnesota) | 489.65 mi (788.01 km) |
| Swansea to Chandler (Arizona) | 1,272.99 mi (2,048.67 km) |
| Swansea to Chanhassen (Minnesota) | 472.89 mi (761.04 km) |
| Swansea to Channahon (Illinois) | 218.34 mi (351.39 km) |
