| Bargoed to Desert Hot Springs (California) | 5,279.90 mi (8,497.18 km) |
| Bargoed to DeSoto (Texas) | 4,633.50 mi (7,456.90 km) |
| Bargoed to Destin (Florida) | 4,325.94 mi (6,961.93 km) |
| Bargoed to Destrehan (Louisiana) | 4,507.71 mi (7,254.46 km) |
| Bargoed to Detroit (Michigan) | 3,623.55 mi (5,831.54 km) |
| Bargoed to Diamond Bar (California) | 5,319.89 mi (8,561.53 km) |
| Bargoed to Diamond Springs (California) | 5,151.06 mi (8,289.82 km) |
| Bargoed to Dickinson (North Dakota) | 4,133.91 mi (6,652.88 km) |
| Bargoed to Dickinson (Texas) | 4,723.46 mi (7,601.67 km) |
| Bargoed to Dickson (Tennessee) | 4,084.98 mi (6,574.14 km) |
| Bargoed to Difficult Run (Virginia) | 3,546.38 mi (5,707.34 km) |
| Bargoed to Dinuba (California) | 5,227.60 mi (8,413.01 km) |
| Bargoed to Discovery Bay (California) | 5,219.13 mi (8,399.38 km) |
| Bargoed to Dix Hills (New York) | 3,298.52 mi (5,308.45 km) |
| Bargoed to Dixon (California) | 5,195.18 mi (8,360.84 km) |
