| Pontneddfechan to Dixon (Illinois) | 3,879.85 mi (6,244.02 km) |
| Pontneddfechan to Dobbs Ferry (New York) | 3,295.94 mi (5,304.31 km) |
| Pontneddfechan to Doctor Phillips (Florida) | 4,199.46 mi (6,758.37 km) |
| Pontneddfechan to Dodge City (Kansas) | 4,475.70 mi (7,202.95 km) |
| Pontneddfechan to Dolton (Illinois) | 3,817.36 mi (6,143.45 km) |
| Pontneddfechan to Donna (Texas) | 5,000.55 mi (8,047.61 km) |
| Pontneddfechan to Dorado (Puerto Rico) | 4,061.93 mi (6,537.04 km) |
| Pontneddfechan to Doral (Florida) | 4,283.43 mi (6,893.51 km) |
| Pontneddfechan to Doraville (Georgia) | 4,047.55 mi (6,513.90 km) |
| Pontneddfechan to Dothan (Alabama) | 4,224.88 mi (6,799.29 km) |
| Pontneddfechan to Douglas (Arizona) | 5,162.99 mi (8,309.04 km) |
| Pontneddfechan to Douglas (Georgia) | 4,105.60 mi (6,607.33 km) |
| Pontneddfechan to Douglasville (Georgia) | 4,073.53 mi (6,555.71 km) |
| Pontneddfechan to Dover (Delaware) | 3,444.13 mi (5,542.79 km) |
| Pontneddfechan to Dover (New Hampshire) | 3,083.35 mi (4,962.18 km) |
