| Bargoed to Dardenne Prairie (Missouri) | 4,088.83 mi (6,580.34 km) |
| Bargoed to Darien (Illinois) | 3,842.25 mi (6,183.51 km) |
| Bargoed to Davenport (Iowa) | 3,951.52 mi (6,359.35 km) |
| Bargoed to Davidson (North Carolina) | 3,846.19 mi (6,189.85 km) |
| Bargoed to Davie (Florida) | 4,282.51 mi (6,892.04 km) |
| Bargoed to Davis (California) | 5,186.31 mi (8,346.57 km) |
| Bargoed to Dayton (Nevada) | 5,079.66 mi (8,174.93 km) |
| Bargoed to Dayton (Ohio) | 3,783.95 mi (6,089.67 km) |
| Bargoed to Daytona Beach (Florida) | 4,161.03 mi (6,696.52 km) |
| Bargoed to De Pere (Wisconsin) | 3,724.45 mi (5,993.93 km) |
| Bargoed to De Witt (New York) | 3,316.49 mi (5,337.38 km) |
| Bargoed to Dearborn (Michigan) | 3,631.02 mi (5,843.56 km) |
| Bargoed to Dearborn Heights (Michigan) | 3,633.36 mi (5,847.33 km) |
| Bargoed to DeBary (Florida) | 4,186.29 mi (6,737.18 km) |
| Bargoed to Decatur (Alabama) | 4,141.80 mi (6,665.58 km) |
