| Boone to Decatur (Georgia) | 224.86 mi (361.88 km) |
| Boone to Decatur (Illinois) | 468.62 mi (754.16 km) |
| Boone to Deer Park (New York) | 549.66 mi (884.60 km) |
| Boone to Deer Park (Texas) | 899.26 mi (1,447.21 km) |
| Boone to Deerfield (Illinois) | 527.84 mi (849.47 km) |
| Boone to Deerfield Beach (Florida) | 690.42 mi (1,111.13 km) |
| Boone to Defiance (Ohio) | 379.25 mi (610.34 km) |
| Boone to DeForest (Wisconsin) | 633.14 mi (1,018.95 km) |
| Boone to DeKalb (Illinois) | 547.78 mi (881.57 km) |
| Boone to Del Aire (California) | 2,069.37 mi (3,330.33 km) |
| Boone to Del City (Oklahoma) | 884.22 mi (1,423.01 km) |
| Boone to Del Rio (Texas) | 1,209.12 mi (1,945.90 km) |
| Boone to DeLand (Florida) | 497.17 mi (800.12 km) |
| Boone to Delano (California) | 2,088.71 mi (3,361.45 km) |
| Boone to Delaware (Ohio) | 291.65 mi (469.36 km) |
