| Blackburn to Dover (New Jersey) | 3,336.20 mi (5,369.09 km) |
| Blackburn to Dover (Ohio) | 3,622.08 mi (5,829.18 km) |
| Blackburn to Downers Grove (Illinois) | 3,808.84 mi (6,129.73 km) |
| Blackburn to Downey (California) | 5,267.65 mi (8,477.46 km) |
| Blackburn to Dranesville (Virginia) | 3,534.18 mi (5,687.71 km) |
| Blackburn to Draper (Utah) | 4,698.90 mi (7,562.16 km) |
| Blackburn to Drexel Heights (Arizona) | 5,137.52 mi (8,268.04 km) |
| Blackburn to Drexel Hill (Pennsylvania) | 3,408.37 mi (5,485.24 km) |
| Blackburn to Duarte (California) | 5,249.08 mi (8,447.59 km) |
| Blackburn to Dublin (California) | 5,162.42 mi (8,308.11 km) |
| Blackburn to Dublin (Georgia) | 4,069.92 mi (6,549.90 km) |
| Blackburn to Dublin (Ohio) | 3,705.81 mi (5,963.93 km) |
| Blackburn to Dubuque (Iowa) | 3,873.40 mi (6,233.63 km) |
| Blackburn to Duluth (Georgia) | 4,044.04 mi (6,508.25 km) |
| Blackburn to Duluth (Minnesota) | 3,719.97 mi (5,986.71 km) |
