| Bargoed to Dumas (Texas) | 4,660.41 mi (7,500.20 km) |
| Bargoed to Dumont (New Jersey) | 3,319.41 mi (5,342.07 km) |
| Bargoed to Duncan (Oklahoma) | 4,575.36 mi (7,363.34 km) |
| Bargoed to Duncanville (Texas) | 4,633.04 mi (7,456.15 km) |
| Bargoed to Dundalk (Maryland) | 3,494.96 mi (5,624.59 km) |
| Bargoed to Dunedin (Florida) | 4,290.11 mi (6,904.27 km) |
| Bargoed to Dunkirk (New York) | 3,470.06 mi (5,584.53 km) |
| Bargoed to Dunmore (Pennsylvania) | 3,365.43 mi (5,416.13 km) |
| Bargoed to Dunwoody (Georgia) | 4,063.13 mi (6,538.97 km) |
| Bargoed to Durango (Colorado) | 4,800.95 mi (7,726.38 km) |
| Bargoed to Durant (Oklahoma) | 4,544.01 mi (7,312.88 km) |
| Bargoed to Durham (North Carolina) | 3,743.60 mi (6,024.74 km) |
| Bargoed to Dyer (Indiana) | 3,835.29 mi (6,172.31 km) |
| Bargoed to Dyersburg (Tennessee) | 4,166.17 mi (6,704.80 km) |
| Bargoed to Eagan (Minnesota) | 3,895.61 mi (6,269.39 km) |
