| Bargoed to Delhi (California) | 5,220.78 mi (8,402.04 km) |
| Bargoed to Delray Beach (Florida) | 4,255.25 mi (6,848.16 km) |
| Bargoed to Deltona (Florida) | 4,180.47 mi (6,727.82 km) |
| Bargoed to Deming (New Mexico) | 5,063.96 mi (8,149.65 km) |
| Bargoed to Denison (Texas) | 4,562.90 mi (7,343.28 km) |
| Bargoed to Dent (Ohio) | 3,829.32 mi (6,162.69 km) |
| Bargoed to Denton (Texas) | 4,612.75 mi (7,423.50 km) |
| Bargoed to Dentsville (South Carolina) | 3,918.20 mi (6,305.73 km) |
| Bargoed to Denver (Colorado) | 4,564.38 mi (7,345.66 km) |
| Bargoed to Depew (New York) | 3,426.55 mi (5,514.50 km) |
| Bargoed to Derby (Connecticut) | 3,265.89 mi (5,255.95 km) |
| Bargoed to Derby (Kansas) | 4,397.65 mi (7,077.33 km) |
| Bargoed to Des Moines (Iowa) | 4,064.29 mi (6,540.84 km) |
| Bargoed to Des Moines (Washington) | 4,702.79 mi (7,568.41 km) |
| Bargoed to Des Plaines (Illinois) | 3,825.86 mi (6,157.12 km) |
