| Pontneddfechan to Dumas (Texas) | 4,645.24 mi (7,475.79 km) |
| Pontneddfechan to Dumont (New Jersey) | 3,303.85 mi (5,317.04 km) |
| Pontneddfechan to Duncan (Oklahoma) | 4,560.01 mi (7,338.62 km) |
| Pontneddfechan to Duncanville (Texas) | 4,617.60 mi (7,431.31 km) |
| Pontneddfechan to Dundalk (Maryland) | 3,479.40 mi (5,599.56 km) |
| Pontneddfechan to Dunedin (Florida) | 4,274.65 mi (6,879.38 km) |
| Pontneddfechan to Dunkirk (New York) | 3,454.55 mi (5,559.56 km) |
| Pontneddfechan to Dunmore (Pennsylvania) | 3,349.87 mi (5,391.10 km) |
| Pontneddfechan to Dunwoody (Georgia) | 4,047.57 mi (6,513.94 km) |
| Pontneddfechan to Durango (Colorado) | 4,786.13 mi (7,702.53 km) |
| Pontneddfechan to Durant (Oklahoma) | 4,528.59 mi (7,288.07 km) |
| Pontneddfechan to Durham (North Carolina) | 3,728.06 mi (5,999.73 km) |
| Pontneddfechan to Dyer (Indiana) | 3,819.90 mi (6,147.53 km) |
| Pontneddfechan to Dyersburg (Tennessee) | 4,150.66 mi (6,679.85 km) |
| Pontneddfechan to Eagan (Minnesota) | 3,880.56 mi (6,245.16 km) |
