| Cwmbran to Dumas (Texas) | 4,669.82 mi (7,515.34 km) |
| Cwmbran to Dumont (New Jersey) | 3,329.13 mi (5,357.72 km) |
| Cwmbran to Duncan (Oklahoma) | 4,584.91 mi (7,378.70 km) |
| Cwmbran to Duncanville (Texas) | 4,642.64 mi (7,471.61 km) |
| Cwmbran to Dundalk (Maryland) | 3,504.68 mi (5,640.24 km) |
| Cwmbran to Dunedin (Florida) | 4,299.81 mi (6,919.87 km) |
| Cwmbran to Dunkirk (New York) | 3,479.73 mi (5,600.09 km) |
| Cwmbran to Dunmore (Pennsylvania) | 3,375.14 mi (5,431.76 km) |
| Cwmbran to Dunwoody (Georgia) | 4,072.85 mi (6,554.62 km) |
| Cwmbran to Durango (Colorado) | 4,810.12 mi (7,741.13 km) |
| Cwmbran to Durant (Oklahoma) | 4,553.60 mi (7,328.31 km) |
| Cwmbran to Durham (North Carolina) | 3,753.33 mi (6,040.40 km) |
| Cwmbran to Dyer (Indiana) | 3,844.87 mi (6,187.72 km) |
| Cwmbran to Dyersburg (Tennessee) | 4,175.83 mi (6,720.35 km) |
| Cwmbran to Eagan (Minnesota) | 3,904.94 mi (6,284.40 km) |
