| Swansea to Cordele (Georgia) | 574.66 mi (924.83 km) |
| Swansea to Corinth (Mississippi) | 261.94 mi (421.55 km) |
| Swansea to Corinth (Texas) | 544.56 mi (876.39 km) |
| Swansea to Cornelius (North Carolina) | 545.16 mi (877.35 km) |
| Swansea to Cornelius (Oregon) | 1,750.02 mi (2,816.39 km) |
| Swansea to Corning (New York) | 723.86 mi (1,164.95 km) |
| Swansea to Corona (California) | 1,565.09 mi (2,518.77 km) |
| Swansea to Coronado (California) | 1,573.35 mi (2,532.06 km) |
| Swansea to Corpus Christi (Texas) | 860.79 mi (1,385.31 km) |
| Swansea to Corsicana (Texas) | 576.91 mi (928.45 km) |
| Swansea to Cortland (New York) | 775.61 mi (1,248.23 km) |
| Swansea to Corvallis (Oregon) | 1,757.58 mi (2,828.56 km) |
| Swansea to Coshocton (Ohio) | 450.05 mi (724.29 km) |
| Swansea to Costa Mesa (California) | 1,588.52 mi (2,556.48 km) |
| Swansea to Coto de Caza (California) | 1,572.57 mi (2,530.81 km) |
