| Cwmbran to Dallas (Texas) | 4,629.39 mi (7,450.29 km) |
| Cwmbran to Dalton (Georgia) | 4,060.01 mi (6,533.96 km) |
| Cwmbran to Daly City (California) | 5,266.80 mi (8,476.09 km) |
| Cwmbran to Damascus (Maryland) | 3,533.49 mi (5,686.61 km) |
| Cwmbran to Damascus (Oregon) | 4,825.12 mi (7,765.27 km) |
| Cwmbran to Dana Point (California) | 5,354.46 mi (8,617.17 km) |
| Cwmbran to Danbury (Connecticut) | 3,288.37 mi (5,292.12 km) |
| Cwmbran to Dania Beach (Florida) | 4,287.90 mi (6,900.71 km) |
| Cwmbran to Danville (California) | 5,244.37 mi (8,440.00 km) |
| Cwmbran to Danville (Illinois) | 3,911.41 mi (6,294.81 km) |
| Cwmbran to Danville (Indiana) | 3,885.74 mi (6,253.49 km) |
| Cwmbran to Danville (Kentucky) | 3,915.76 mi (6,301.81 km) |
| Cwmbran to Danville (Virginia) | 3,746.29 mi (6,029.07 km) |
| Cwmbran to Daphne (Alabama) | 4,382.29 mi (7,052.61 km) |
| Cwmbran to Darby (Pennsylvania) | 3,425.42 mi (5,512.69 km) |
