| Quincy to Darby (Pennsylvania) | 273.29 mi (439.81 km) |
| Quincy to Dardenne Prairie (Missouri) | 1,060.81 mi (1,707.21 km) |
| Quincy to Darien (Illinois) | 870.31 mi (1,400.62 km) |
| Quincy to Davenport (Iowa) | 1,006.15 mi (1,619.23 km) |
| Quincy to Davidson (North Carolina) | 704.02 mi (1,133.01 km) |
| Quincy to Davie (Florida) | 1,234.74 mi (1,987.13 km) |
| Quincy to Davis (California) | 2,641.26 mi (4,250.70 km) |
| Quincy to Dayton (Nevada) | 2,514.80 mi (4,047.19 km) |
| Quincy to Dayton (Ohio) | 707.27 mi (1,138.24 km) |
| Quincy to Daytona Beach (Florida) | 1,062.53 mi (1,709.98 km) |
| Quincy to De Pere (Wisconsin) | 868.74 mi (1,398.10 km) |
| Quincy to De Witt (New York) | 262.87 mi (423.06 km) |
| Quincy to Dearborn (Michigan) | 622.83 mi (1,002.36 km) |
| Quincy to Dearborn Heights (Michigan) | 626.08 mi (1,007.57 km) |
| Quincy to DeBary (Florida) | 1,088.37 mi (1,751.56 km) |
