| Boone to Dumas (Texas) | 1,132.24 mi (1,822.16 km) |
| Boone to Dumont (New Jersey) | 527.68 mi (849.22 km) |
| Boone to Duncan (Oklahoma) | 921.87 mi (1,483.60 km) |
| Boone to Duncanville (Texas) | 901.99 mi (1,451.61 km) |
| Boone to Dundalk (Maryland) | 352.82 mi (567.82 km) |
| Boone to Dunedin (Florida) | 568.83 mi (915.44 km) |
| Boone to Dunkirk (New York) | 450.70 mi (725.33 km) |
| Boone to Dunmore (Pennsylvania) | 485.25 mi (780.93 km) |
| Boone to Dunwoody (Georgia) | 216.68 mi (348.71 km) |
| Boone to Durango (Colorado) | 1,448.50 mi (2,331.13 km) |
| Boone to Durant (Oklahoma) | 845.47 mi (1,360.65 km) |
| Boone to Durham (North Carolina) | 155.18 mi (249.73 km) |
| Boone to Dyer (Indiana) | 481.65 mi (775.15 km) |
| Boone to Dyersburg (Tennessee) | 430.35 mi (692.58 km) |
| Boone to Eagan (Minnesota) | 845.91 mi (1,361.36 km) |
