| Bargoed to Dover (New Jersey) | 3,345.23 mi (5,383.63 km) |
| Bargoed to Dover (Ohio) | 3,641.44 mi (5,860.33 km) |
| Bargoed to Downers Grove (Illinois) | 3,841.31 mi (6,181.99 km) |
| Bargoed to Downey (California) | 5,333.77 mi (8,583.88 km) |
| Bargoed to Dranesville (Virginia) | 3,543.10 mi (5,702.07 km) |
| Bargoed to Draper (Utah) | 4,764.62 mi (7,667.91 km) |
| Bargoed to Drexel Heights (Arizona) | 5,189.56 mi (8,351.79 km) |
| Bargoed to Drexel Hill (Pennsylvania) | 3,416.22 mi (5,497.87 km) |
| Bargoed to Duarte (California) | 5,315.21 mi (8,554.01 km) |
| Bargoed to Dublin (California) | 5,239.12 mi (8,431.56 km) |
| Bargoed to Dublin (Georgia) | 4,074.04 mi (6,556.54 km) |
| Bargoed to Dublin (Ohio) | 3,726.86 mi (5,997.80 km) |
| Bargoed to Dubuque (Iowa) | 3,911.47 mi (6,294.90 km) |
| Bargoed to Duluth (Georgia) | 4,053.38 mi (6,523.28 km) |
| Bargoed to Duluth (Minnesota) | 3,769.37 mi (6,066.21 km) |
