| Cwmbran to Delhi (California) | 5,229.36 mi (8,415.83 km) |
| Cwmbran to Delray Beach (Florida) | 4,264.89 mi (6,863.68 km) |
| Cwmbran to Deltona (Florida) | 4,190.17 mi (6,743.42 km) |
| Cwmbran to Deming (New Mexico) | 5,073.30 mi (8,164.69 km) |
| Cwmbran to Denison (Texas) | 4,572.49 mi (7,358.72 km) |
| Cwmbran to Dent (Ohio) | 3,838.98 mi (6,178.25 km) |
| Cwmbran to Denton (Texas) | 4,622.34 mi (7,438.93 km) |
| Cwmbran to Dentsville (South Carolina) | 3,927.93 mi (6,321.39 km) |
| Cwmbran to Denver (Colorado) | 4,573.56 mi (7,360.43 km) |
| Cwmbran to Depew (New York) | 3,436.22 mi (5,530.06 km) |
| Cwmbran to Derby (Connecticut) | 3,275.62 mi (5,271.60 km) |
| Cwmbran to Derby (Kansas) | 4,407.13 mi (7,092.58 km) |
| Cwmbran to Des Moines (Iowa) | 4,073.73 mi (6,556.03 km) |
| Cwmbran to Des Moines (Washington) | 4,710.74 mi (7,581.20 km) |
| Cwmbran to Des Plaines (Illinois) | 3,835.41 mi (6,172.50 km) |
