| Boone to Dixon (Illinois) | 571.65 mi (919.98 km) |
| Boone to Dobbs Ferry (New York) | 535.60 mi (861.96 km) |
| Boone to Doctor Phillips (Florida) | 536.52 mi (863.44 km) |
| Boone to Dodge City (Kansas) | 1,016.81 mi (1,636.40 km) |
| Boone to Dolton (Illinois) | 491.42 mi (790.86 km) |
| Boone to Donna (Texas) | 1,189.67 mi (1,914.60 km) |
| Boone to Dorado (Puerto Rico) | 1,543.36 mi (2,483.79 km) |
| Boone to Doral (Florida) | 722.44 mi (1,162.66 km) |
| Boone to Doraville (Georgia) | 216.85 mi (348.98 km) |
| Boone to Dothan (Alabama) | 405.46 mi (652.53 km) |
| Boone to Douglas (Arizona) | 1,629.34 mi (2,622.17 km) |
| Boone to Douglas (Georgia) | 332.11 mi (534.48 km) |
| Boone to Douglasville (Georgia) | 242.42 mi (390.14 km) |
| Boone to Dover (Delaware) | 392.92 mi (632.35 km) |
| Boone to Dover (New Hampshire) | 747.89 mi (1,203.61 km) |
