| Bargoed to Dixon (Illinois) | 3,895.19 mi (6,268.70 km) |
| Bargoed to Dobbs Ferry (New York) | 3,311.50 mi (5,329.34 km) |
| Bargoed to Doctor Phillips (Florida) | 4,214.90 mi (6,783.23 km) |
| Bargoed to Dodge City (Kansas) | 4,490.86 mi (7,227.35 km) |
| Bargoed to Dolton (Illinois) | 3,832.75 mi (6,168.21 km) |
| Bargoed to Donna (Texas) | 5,016.08 mi (8,072.60 km) |
| Bargoed to Dorado (Puerto Rico) | 4,075.84 mi (6,559.44 km) |
| Bargoed to Doral (Florida) | 4,298.76 mi (6,918.19 km) |
| Bargoed to Doraville (Georgia) | 4,063.10 mi (6,538.94 km) |
| Bargoed to Dothan (Alabama) | 4,240.43 mi (6,824.31 km) |
| Bargoed to Douglas (Arizona) | 5,178.03 mi (8,333.23 km) |
| Bargoed to Douglas (Georgia) | 4,121.13 mi (6,632.32 km) |
| Bargoed to Douglasville (Georgia) | 4,089.09 mi (6,580.75 km) |
| Bargoed to Dover (Delaware) | 3,459.68 mi (5,567.82 km) |
| Bargoed to Dover (New Hampshire) | 3,098.91 mi (4,987.21 km) |
