| Swansea to Commerce (California) | 1,593.62 mi (2,564.68 km) |
| Swansea to Commerce City (Colorado) | 799.64 mi (1,286.90 km) |
| Swansea to Compton (California) | 1,600.10 mi (2,575.11 km) |
| Swansea to Comstock Park (Michigan) | 383.48 mi (617.15 km) |
| Swansea to Concord (California) | 1,728.53 mi (2,781.80 km) |
| Swansea to Concord (Missouri) | 20.26 mi (32.61 km) |
| Swansea to Concord (New Hampshire) | 1,012.78 mi (1,629.92 km) |
| Swansea to Concord (North Carolina) | 559.93 mi (901.12 km) |
| Swansea to Conneaut (Ohio) | 548.35 mi (882.48 km) |
| Swansea to Connersville (Indiana) | 270.76 mi (435.74 km) |
| Swansea to Conroe (Texas) | 648.68 mi (1,043.94 km) |
| Swansea to Converse (Texas) | 784.94 mi (1,263.24 km) |
| Swansea to Conway (Arkansas) | 276.61 mi (445.17 km) |
| Swansea to Conway (Florida) | 854.05 mi (1,374.47 km) |
| Swansea to Conway (South Carolina) | 690.85 mi (1,111.82 km) |
