| Pontneddfechan to Decatur (Georgia) | 4,055.16 mi (6,526.15 km) |
| Pontneddfechan to Decatur (Illinois) | 3,951.39 mi (6,359.15 km) |
| Pontneddfechan to Deer Park (New York) | 3,284.07 mi (5,285.19 km) |
| Pontneddfechan to Deer Park (Texas) | 4,698.09 mi (7,560.84 km) |
| Pontneddfechan to Deerfield (Illinois) | 3,802.63 mi (6,119.74 km) |
| Pontneddfechan to Deerfield Beach (Florida) | 4,249.02 mi (6,838.14 km) |
| Pontneddfechan to Defiance (Ohio) | 3,706.90 mi (5,965.68 km) |
| Pontneddfechan to DeForest (Wisconsin) | 3,811.07 mi (6,133.33 km) |
| Pontneddfechan to DeKalb (Illinois) | 3,847.80 mi (6,192.43 km) |
| Pontneddfechan to Del Aire (California) | 5,328.47 mi (8,575.35 km) |
| Pontneddfechan to Del City (Oklahoma) | 4,495.48 mi (7,234.78 km) |
| Pontneddfechan to Del Rio (Texas) | 4,942.61 mi (7,954.36 km) |
| Pontneddfechan to DeLand (Florida) | 4,162.30 mi (6,698.58 km) |
| Pontneddfechan to Delano (California) | 5,253.18 mi (8,454.18 km) |
| Pontneddfechan to Delaware (Ohio) | 3,700.63 mi (5,955.59 km) |
