| Swansea to Cibolo (Texas) | 778.53 mi (1,252.92 km) |
| Swansea to Cicero (Illinois) | 256.10 mi (412.15 km) |
| Swansea to Cimarron Hills (Colorado) | 792.77 mi (1,275.84 km) |
| Swansea to Cincinnati (Ohio) | 297.64 mi (479.01 km) |
| Swansea to Cinco Ranch (Texas) | 692.20 mi (1,113.99 km) |
| Swansea to Circleville (Ohio) | 385.12 mi (619.79 km) |
| Swansea to Citrus (California) | 1,576.68 mi (2,537.42 km) |
| Swansea to Citrus Heights (California) | 1,681.42 mi (2,705.98 km) |
| Swansea to Citrus Park (Florida) | 840.56 mi (1,352.75 km) |
| Swansea to Claiborne (Louisiana) | 433.62 mi (697.84 km) |
| Swansea to Claremont (California) | 1,567.07 mi (2,521.96 km) |
| Swansea to Claremont (New Hampshire) | 977.06 mi (1,572.42 km) |
| Swansea to Claremore (Oklahoma) | 344.97 mi (555.18 km) |
| Swansea to Clarksburg (Maryland) | 685.10 mi (1,102.57 km) |
| Swansea to Clarksburg (West Virginia) | 521.66 mi (839.54 km) |
