| Swansea to Carlsbad (California) | 1,567.99 mi (2,523.43 km) |
| Swansea to Carlsbad (New Mexico) | 906.10 mi (1,458.23 km) |
| Swansea to Carmel (Indiana) | 227.46 mi (366.06 km) |
| Swansea to Carmichael (California) | 1,684.18 mi (2,710.43 km) |
| Swansea to Carney (Maryland) | 724.82 mi (1,166.48 km) |
| Swansea to Carnot-Moon (Pennsylvania) | 537.66 mi (865.27 km) |
| Swansea to Carol Stream (Illinois) | 252.39 mi (406.18 km) |
| Swansea to Carolina (Puerto Rico) | 2,003.59 mi (3,224.47 km) |
| Swansea to Carolina Forest (South Carolina) | 699.93 mi (1,126.42 km) |
| Swansea to Carpentersville (Illinois) | 262.46 mi (422.38 km) |
| Swansea to Carpinteria (California) | 1,658.03 mi (2,668.35 km) |
| Swansea to Carrboro (North Carolina) | 625.84 mi (1,007.20 km) |
| Swansea to Carroll (Iowa) | 353.72 mi (569.25 km) |
| Swansea to Carrollton (Georgia) | 438.96 mi (706.44 km) |
| Swansea to Carrollton (Texas) | 545.48 mi (877.86 km) |
