| Blackburn to Dardenne Prairie (Missouri) | 4,058.58 mi (6,531.65 km) |
| Blackburn to Darien (Illinois) | 3,809.95 mi (6,131.52 km) |
| Blackburn to Davenport (Iowa) | 3,915.62 mi (6,301.58 km) |
| Blackburn to Davidson (North Carolina) | 3,839.50 mi (6,179.07 km) |
| Blackburn to Davie (Florida) | 4,296.17 mi (6,914.02 km) |
| Blackburn to Davis (California) | 5,108.81 mi (8,221.84 km) |
| Blackburn to Dayton (Nevada) | 5,004.44 mi (8,053.86 km) |
| Blackburn to Dayton (Ohio) | 3,761.97 mi (6,054.30 km) |
| Blackburn to Daytona Beach (Florida) | 4,167.04 mi (6,706.20 km) |
| Blackburn to De Pere (Wisconsin) | 3,685.97 mi (5,932.00 km) |
| Blackburn to De Witt (New York) | 3,299.37 mi (5,309.82 km) |
| Blackburn to Dearborn (Michigan) | 3,604.71 mi (5,801.22 km) |
| Blackburn to Dearborn Heights (Michigan) | 3,606.95 mi (5,804.82 km) |
| Blackburn to DeBary (Florida) | 4,192.51 mi (6,747.20 km) |
| Blackburn to Decatur (Alabama) | 4,126.34 mi (6,640.70 km) |
