| Swansea to Dallas (Oregon) | 1,760.29 mi (2,832.92 km) |
| Swansea to Dallas (Texas) | 550.20 mi (885.47 km) |
| Swansea to Dalton (Georgia) | 381.32 mi (613.68 km) |
| Swansea to Daly City (California) | 1,757.49 mi (2,828.41 km) |
| Swansea to Damascus (Maryland) | 688.86 mi (1,108.61 km) |
| Swansea to Damascus (Oregon) | 1,720.18 mi (2,768.36 km) |
| Swansea to Dana Point (California) | 1,581.53 mi (2,545.22 km) |
| Swansea to Danbury (Connecticut) | 894.83 mi (1,440.09 km) |
| Swansea to Dania Beach (Florida) | 1,034.80 mi (1,665.34 km) |
| Swansea to Danville (California) | 1,729.04 mi (2,782.62 km) |
| Swansea to Danville (Illinois) | 167.91 mi (270.22 km) |
| Swansea to Danville (Indiana) | 204.44 mi (329.02 km) |
| Swansea to Danville (Kentucky) | 290.02 mi (466.75 km) |
| Swansea to Danville (Virginia) | 594.63 mi (956.96 km) |
| Swansea to Daphne (Alabama) | 560.40 mi (901.88 km) |
