| Swansea to Clemson (South Carolina) | 478.97 mi (770.82 km) |
| Swansea to Clermont (Florida) | 839.17 mi (1,350.52 km) |
| Swansea to Cleveland (Mississippi) | 334.68 mi (538.62 km) |
| Swansea to Cleveland (Ohio) | 483.48 mi (778.09 km) |
| Swansea to Cleveland (Tennessee) | 366.13 mi (589.23 km) |
| Swansea to Cleveland Heights (Ohio) | 489.99 mi (788.57 km) |
| Swansea to Cliffside Park (New Jersey) | 863.70 mi (1,389.99 km) |
| Swansea to Clifton (Colorado) | 993.57 mi (1,599.00 km) |
| Swansea to Clifton (New Jersey) | 855.14 mi (1,376.21 km) |
| Swansea to Clinton (Iowa) | 227.91 mi (366.78 km) |
| Swansea to Clinton (Maryland) | 705.30 mi (1,135.08 km) |
| Swansea to Clinton (Mississippi) | 428.61 mi (689.79 km) |
| Swansea to Clinton (Utah) | 1,181.61 mi (1,901.61 km) |
| Swansea to Clive (Iowa) | 292.22 mi (470.29 km) |
| Swansea to Cloquet (Minnesota) | 578.70 mi (931.33 km) |
